{"title":"For BMW","description":"","products":[{"product_id":"bmw-116i-f20-catback-sus304-valved-sport-exhaust-system","title":"BMW 116i F20 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 116i F20\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 116i F20\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49439536120067,"sku":null,"price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0004__6.jpg?v=1786527254"},{"product_id":"bmw-f40-m135i-b48-catback-sus304-valved-sport-exhaust-system","title":"BMW F40 M135i b48 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW F40 M135i b48\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW F40 M135i b48\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49441681965315,"sku":"BMW-F40-M135i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0015__14_244e3f5a-0cf7-416a-acaa-c11358b0d673.jpg?v=1786591159"},{"product_id":"bmw-f40-m135i-b48-catback-titanium-valved-sport-exhaust-system","title":"BMW F40 M135i b48 Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW F40 M135i b48\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW F40 M135i b48\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49441684947203,"sku":"BMW-F40-M135i-B48-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0014__13.jpg?v=1786591400"},{"product_id":"bmw-m135i-f20-n55-3-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW M135I F20 N55 3.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW M135I F20 N55 3.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW M135I F20 N55 3.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49441688584451,"sku":"BMW-F20-M135i-N55-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0014_IMG_8310.jpg?v=1786591625"},{"product_id":"bmw-m135i-f20-catback-sus304-valved-sport-exhaust-system","title":"BMW M135i F20 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW M135i F20\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW M135i F20\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49441689501955,"sku":"BMW-F20-M135i-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/IMG_9542.jpg?v=1786592032"},{"product_id":"exhaust-system-for-bmw-m135i-catback-modified-to-fit-m2-rear-diffuser-sus304","title":"Exhaust System for BMW M135I catback Modified to Fit M2 Rear Diffuser sus304","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW M135I \u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW M135I \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49441744912643,"sku":"BMW-F20-M135i-N55-CB-SS-M2","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0008_IMG_1173.jpg?v=1786593286"},{"product_id":"bmw-220i-f22-b48-2-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW 220i f22 B48 2.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 220i f22 B48 2.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 220i f22 B48 2.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442057486595,"sku":"BMW-F22-220i-B48-CB-SS-V","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0011__15.jpg?v=1786593597"},{"product_id":"bmw-m235i-f22-3-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW M235i F22 3.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW M235i F22 3.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW M235i F22 3.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442058993923,"sku":"BMW-F22-M235i-N55-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0016__16.jpg?v=1786599637"},{"product_id":"bmw-m240i-b58-g42-catback-titanium-valved-sport-exhaust-system","title":"BMW M240I B58 G42 Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW M240I B58 G42\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW M240I B58 G42\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442062532867,"sku":"BMW-G42-M240i-B58-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0017__17.jpg?v=1786599933"},{"product_id":"bmw-m240i-f22-b58-3-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW M240I F22 B58 3.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW M240I F22 B58 3.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW M240I F22 B58 3.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442064957699,"sku":"BMW-F22-M240i-B58-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0016_IMG_0073.jpg?v=1786600040"},{"product_id":"bmw-m240i-g42-3-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW M240i G42 3.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW M240i G42 3.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW M240i G42 3.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442068496643,"sku":"BMW-G42-M240i-B58-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0014__12.jpg?v=1786600165"},{"product_id":"bmw-320i-420i-f30-f36-catback-sus304-valved-sport-exhaust-system","title":"BMW 320i 420i f30 f36 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 320i 420i f30 f36\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 320i 420i f30 f36\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442072428803,"sku":"BMW-F30F36-320i420i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0010__9.jpg?v=1786600365"},{"product_id":"bmw-320i-f30-2-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW 320i F30 2.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 320i F30 2.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 320i F30 2.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442073149699,"sku":"BMW-F30-320i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0009__12_26ba4f35-cd72-4eba-ad22-ace035e99201.jpg?v=1786600498"},{"product_id":"bmw-328i-f30-catback-sus304-valved-sport-exhaust-system","title":"BMW 328I F30 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 328I F30\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 328I F30\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442073346307,"sku":"BMW-F30-328i-N20-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0008_IMG_7966.jpg?v=1786600618"},{"product_id":"bmw-340i-f30-3-0t-catback-titanium-valved-sport-exhaust-system","title":"BMW 340I F30 3.0T Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW 340I F30 3.0T\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW 340I F30 3.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442074558723,"sku":"BMW-F30-340i-B58-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0011__11.jpg?v=1786600714"},{"product_id":"bmw-340i-f30-catback-sus304-valved-sport-exhaust-system","title":"BMW 340i F30 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 340i F30\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 340i F30\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442076655875,"sku":"BMW-F30-340i-B58-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0008__9.jpg?v=1786600825"},{"product_id":"bmw-328i-n20-catback-sus304-valved-sport-exhaust-system","title":"Bmw 328i N20 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBmw 328i N20\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBmw 328i N20\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442093891843,"sku":"BMW-F30-328i-N20-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0003_IMG_2303.jpg?v=1786601296"},{"product_id":"bmw-3-series-g20-g28-catback-sus304-valved-sport-exhaust-system","title":"BMW 3 Series G20 G28 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 3 Series G20 G28\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 3 Series G20 G28\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442107851011,"sku":"BMW-G20G28-320i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/3_a779a36c-37b1-43c2-ae70-07cbe82f5c3c.jpg?v=1786601501"},{"product_id":"bmw-320i-g20-catback-sus304-valved-sport-exhaust-system","title":"BMW 320I G20 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 320I G20\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 320I G20\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442108866819,"sku":"BMW-G20-320i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0011_IMG_9630.jpg?v=1786601671"},{"product_id":"bmw-320i-330i-g20-catback-sus304-valved-sport-exhaust-system","title":"BMW 320i 330i G20 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 320i 330i G20\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 320i 330i G20\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442150514947,"sku":"BMW-G20-320i330i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0016__17_9314df4b-9fb8-42cc-915f-a9f1fcc64d60.jpg?v=1786602092"},{"product_id":"bmw-330i-g20-2-0t-catback-titanium-valved-sport-exhaust-system","title":"BMW 330i G20 2.0T Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW 330i G20 2.0T\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW 330i G20 2.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442151432451,"sku":"BMW-G20-330i-B48-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0018__19.jpg?v=1786602214"},{"product_id":"bmw-g20-m340i-catback-sus304-valved-sport-exhaust-system","title":"BMW G20 M340I catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW G20 M340I\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW G20 M340I\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442161295619,"sku":"BMW-G20-M340i-B58-CB-SS-V-80","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0007_IMG_5845.jpg?v=1786603112"},{"product_id":"bmw-335i-e90-catback-sus304-valved-sport-exhaust-system","title":"BMW 335i E90 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 335i E90\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 335i E90\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442165326083,"sku":"BMW-E90-335i-N54-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/8_9071e221-f9bf-4c49-a9eb-75d89965b75b.jpg?v=1786603352"},{"product_id":"sus304-valved-catback-exhaust-system-m3-style-body-kit-conversion-for-bmw-320i-e90","title":"SUS304 Valved Catback Exhaust System M3 Style Body Kit Conversion For BMW 320i E90","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 320I E90 \u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 320I E90 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442166407427,"sku":"BMW-E90-320i-N46-CB-SS-V-M3","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0004__17.jpg?v=1786603570"},{"product_id":"bmw-335i-e92-catback-titanium-valved-sport-exhaust-system","title":"BMW 335i E92 Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW 335i E92 \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW 335i E92 \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442167750915,"sku":"BMW-E92-335i-N54-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0014__14_ba56ebd8-ae5e-4dc5-b704-f8e21180e36d.jpg?v=1786603731"},{"product_id":"bmw-e90-335i-n54-catback-sus304-valved-sport-exhaust-system","title":"BMW E90 335i N54 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW E90 335i N54\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW E90 335i N54\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442177384707,"sku":"BMW-E90-335i-N54-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0008__11_e6f23fca-5a94-44e3-8d81-e159bd3332db.jpg?v=1786603856"},{"product_id":"valved-catback-exhaust-for-bmw-e92-335i-modified-to-fit-m2-rear-diffuser","title":"Valved Catback Exhaust For BMW E92 335i Modified To Fit M2 Rear Diffuser","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW E92 335i\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW E92 335i\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442189803779,"sku":"BMW-E92-335i-N54-CB-SS-V-M2-QUAD","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/2_1fbe12cd-a599-4733-9917-1f4d90021c8a.jpg?v=1786604296"},{"product_id":"bmw-e420i-425i-428i-f36-2013-2016-f-catback-sus304-valved-sport-exhaust-system","title":"BMW E420i 425i 428i F36 2013-2016 F catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW E420i 425i 428i F36 2013-2016 F\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW E420i 425i 428i F36 2013-2016 F\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442198618371,"sku":"BMW-F36-420i425i428i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/BMW420i_425iF36__0003__18.jpg?v=1786604477"},{"product_id":"bmw-420i-f36-2-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW 420i F36 2.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 420i F36 2.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 420i F36 2.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442199142659,"sku":"BMW-F36-420i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0017__15.jpg?v=1786604603"},{"product_id":"bmw-430i-f36-catback-sus304-valved-sport-exhaust-system","title":"BMW 430I F36 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 430I F36\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 430I F36\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442200092931,"sku":"BMW-F36-430i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0017__15_c1a5f5b2-6131-4a7e-95db-afeb95b85f6e.jpg?v=1786604742"},{"product_id":"bmw-f3x-440i-3-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW F3X 440i 3.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW F3X 440i 3.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW F3X 440i 3.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442222113027,"sku":"BMW-F3X-440i-B58-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0015__16.jpg?v=1786607009"},{"product_id":"bmw-440i-g22-catback-titanium-valved-sport-exhaust-system","title":"BMW 440i G22  Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW 440i G22\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW 440i G22\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442361245955,"sku":"BMW-G22-440i-B58-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/1_87ca5d2d-5260-4158-9811-9f599ccbe2ac.jpg?v=1786608081"},{"product_id":"bmw-2017-430i-2-0t-straight-catback-sus304-high-flow-exhaust-system","title":"BMW 2017 430I 2.0T Straight Catback SUS304 High Flow Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 2017 430I 2.0T \u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Racing Grade Straight-Pipe Catback Exhaust System \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Maximum Flow Straight-Through Performance Exhaust Pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：VALVE-FREE DESIGN (Pure Straight-Through Configuration for Maximum Flow) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded (Full-Penetration Craftsmanship) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement | Plug-and-Play | No Cutting \u0026amp; No Welding Required \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCore Feature：Unleash Maximum Horsepower \u0026amp; Turbo Spool Sound \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain：Maximize Exhaust Flow Velocity | Minimize Backpressure to Near Zero \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification Results：Significant Turbo Response Improvement | Top-End HP Gain | Pure Racing Tone \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended for optimal fitment. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：1 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China (Factory Direct Pricing) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)：+86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e304 Stainless Steel Straight-Pipe Exhaust System – The Ultimate Choice for Maximum Flow \u0026amp; Raw Horsepower \u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、What is a Straight-Pipe Catback Exhaust?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA straight-pipe exhaust system removes all restrictive chambers and valves, providing the most direct path for exhaust gases to exit the engine. Unlike chambered or valved mufflers that create turbulence, our design utilizes a smooth, uninterrupted pipeline from the catalytic converter back to the tips.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Bottleneck of OEM Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Chambered Systems— Restrictive design traps heat and pressure, choking high-RPM horsepower.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOur Straight-Through Design— Exhaust gases flow freely with near-zero backpressure, allowing the turbocharger to spool faster and the engine to breathe easier at redline.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe Result: Raw, unfiltered mechanical sound and a noticeable increase in top-end power delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHigh-Grade 304 Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from premium SUS304 stainless steel, our exhaust systems are built to withstand extreme temperatures up to 1050°C. With strict wall thickness control, we reduce unnecessary weight while ensuring maximum durability against heat, rust, and corrosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePure Performance – No Valves, No Restrictions\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis system is designed for drivers who demand uncompromised performance. By eliminating the valve mechanism, we create a lighter, simpler, and more reliable exhaust system. The result:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaximum Flow: Exhaust velocity is significantly increased, reducing backpressure to virtually zero.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAggressive Sound Profile: Expect a deep, throaty growl at idle that transforms into a race-inspired scream at high RPM.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstant Throttle Response: Reduced exhaust resistance means your engine reacts quicker to every pedal input.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLightweight \u0026amp; Simplified Design \u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eWithout bulky valve motors or electronic controllers, this straight-pipe system is significantly lighter than valved alternatives. Less weight means better power-to-weight ratio for your vehicle.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e100% Bolt-On \/ Direct-Fit Installation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eEngineered with precision CNC mandrel-bent pipes, our system aligns perfectly with factory mounting points. No cutting, no welding, and no permanent modifications—simply unbolt the OEM unit and bolt on the HMD performance pipe. Fully reversible.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios \u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eTrack Days \u0026amp; Drag Racing \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePush your vehicle to the limit with zero exhaust restriction. The straight-pipe design ensures you extract every ounce of horsepower from your engine when it matters most.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Performance Driving \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether it's a canyon run or a backroad blast, the crisp throttle response and raw exhaust note make every drive an event.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShow Cars \u0026amp; Meetups \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTurn heads with the aggressive tone and the visible craftsmanship of polished 304 stainless steel piping.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTurbocharged Vehicles \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you own a turbocharged car, this exhaust is a game-changer. Reduce turbo lag significantly with faster spool times.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Why Choose Our Straight-Pipe Exhaust? \u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIn-House Factory Production – We control quality from raw material to finished product, offering competitive factory-direct pricing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCustom Options Available – Need a specific bend or tip style? We offer custom fabrication for bulk orders.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRust-Proof \u0026amp; Durable – 304 stainless steel ensures your exhaust looks and performs great for years.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eComprehensive After-Sales Support – Technical support and installation guidance available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOEM\/ODM Welcome – We offer private labeling and design services for global partners.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Contact Us \u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eReady to unleash the true potential of your vehicle? Reach out for a custom quote or technical inquiry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMail： OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp： +86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442372780291,"sku":"BMW-F36-430i-B48-CB-SS-HF","price":900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0011_IMG_9961.jpg?v=1786608581"},{"product_id":"bmw-2019-420i-catback-sus304-valved-sport-exhaust-system","title":"BMW 2019 420I catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment: \u003c\/span\u003e\u003cspan\u003eBMW 2019 420I\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Exhaust System (Catback)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: After placing your order, please send your vehicle details to customer service.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years: Please confirm the exact model year before ordering.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial: 304 Stainless Steel\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Polished \/ Brushed \/ Sandblasted Stainless Steel (depending on version)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Control: This system comes standard with a precision bracket designed to accommodate your vehicle's original OEM valve motor. No aftermarket remote control is needed — the valve operates directly through your car's factory ECU logic, automatically opening and closing based on RPM, throttle position, and drive mode.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method: TIG Hand-Welded\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type: Direct OEM replacement — plug-and-play, no cutting, no welding required.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Improvement: Optimized exhaust flow with reduced backpressure\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification Results: Enhanced turbo response and improved exhaust efficiency\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note: Professional installation is strongly recommended.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization: Free laser logo engraving available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty: 2 Years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat \/ WhatsApp \/ Kakao Talk): +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System — The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003eI. Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is an OEM-Integrated Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn simple terms, this is a high-performance exhaust system equipped with a valve mechanism that is directly driven by your vehicle's factory original motor. Instead of relying on an external remote control or aftermarket vacuum lines, the system uses a precision-engineered bracket to mount your OEM valve motor, allowing the exhaust valve to follow your car's original ECU programming seamlessly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eChambered \/ Closed-Loop Design — Good low-end torque, but restricted airflow at high RPM limits peak power.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through Design — Strong top-end horsepower, but noticeable low-end torque loss with excessive noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gases travel through a smaller-diameter or single pipe, maintaining adequate backpressure to preserve low-end torque for city driving. When the valve opens (automatically triggered by the factory ECU based on engine load and RPM), gases flow through a larger-diameter or dual-path design, dramatically reducing backpressure to unlock full high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eII. Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade 304 stainless steel, our exhaust systems offer outstanding heat resistance (withstanding up to 1050°C) and superior corrosion protection, ensuring long-term durability under extreme exhaust temperatures. Precise wall-thickness control also contributes to effective weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSeamless OEM-Level Control\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlug-and-Play with Factory Motor — No remote controls, no extra wiring. The system uses your car's original valve motor mounted on our custom bracket, making installation clean and completely reversible.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eECU-Driven Logic — The valve operates automatically according to your vehicle's factory engine management system, responding in real time to throttle position, RPM, and selected drive mode (e.g., Comfort vs. Sport). No manual intervention is needed — the system simply works as the manufacturer intended.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFull Retention of Factory Functions — All original electronic features remain intact. The exhaust behaves like a factory performance option, giving you intelligent, adaptive sound and power delivery.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed (Daily \/ Comfort Mode) — A deep, mellow tone (~80–85 dB), near-stock sound levels, making it perfect for daily commuting, residential areas, and highway cruising with zero drone.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open (Sport \/ Performance Mode) — Unleashes an aggressive, high-pitched roar accompanied by sharper throttle response and noticeably smoother high-RPM power delivery — giving you the full performance experience whenever the engine demands it.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-On \/ Direct-Fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for a true direct-fit replacement of your factory catback section. No cutting, no welding, and 100% reversible. Installation is straightforward and hassle-free with basic hand tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIII. Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute \u0026amp; Highway Cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve State: Closed (automatically controlled by OEM ECU)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for stop-and-go traffic and long-distance drives without driver fatigue.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \u0026amp; Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve State: Open (automatically engaged by OEM ECU under load)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash your engine's full potential with aggressive high-RPM response and a roaring exhaust note — making every spirited drive truly exhilarating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-Night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve State: Closed (via factory comfort mode)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch (drive-mode select) quiet operation — no more worrying about disturbing neighbors when coming home late.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \u0026amp; Enthusiast Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve State: Open (triggered by sport-mode activation)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTurn heads with a commanding exhaust presence that showcases your unique taste in high-performance modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIV. Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 2019 420I\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product fits your vehicle, please contact customer service for confirmation.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eHigh-performance catback exhaust system (with OEM motor mounting bracket) — 1 set\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMounting hardware and screw kit\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation manual\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eV. Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e● In-house factory production — direct quality control and competitive pricing\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e● Broad vehicle coverage with customization options available\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e● Premium 304 stainless steel — durable, rust-proof, and built to last\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e● Comprehensive after-sales technical support\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e● OEM \/ ODM orders are welcome\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVI. Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEmail: \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp \/ Kakao Talk: +86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49442589638915,"sku":"BMW-F36-420i-B48-CB-SS-OEM-V","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0004___202305031349535.jpg?v=1786608793"},{"product_id":"bmw-m440i-g22-catback-titanium-valved-sport-exhaust-system","title":"BMW M440I G22 Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW M440I G22\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW M440I G22\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443087057155,"sku":"BMW-G22-M440i-B58-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0011_IMG_1118.jpg?v=1786609182"},{"product_id":"bmw-535i-f10-n55-catback-sus304-valved-sport-exhaust-system","title":"BMW 535i F10 N55 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 535i F10 N55\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 535i F10 N55\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443172024579,"sku":"BMW-F10-535i-N55-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/2_6.jpg?v=1786609912"},{"product_id":"bmw-535i-f10-catback-sus304-valved-sport-exhaust-system","title":"BMW 535I F10 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 535I F10\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 535I F10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443267051779,"sku":"BMW-F10-535i-N55-CB-SUS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0008_IMG_5611.jpg?v=1786611065"},{"product_id":"bmw-550i-f10-n63-catback-sus304-valved-sport-exhaust-system","title":"BMW 550i F10 N63 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 550i F10 N63\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 550i F10 N63\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443270787331,"sku":"BMW-F10-550i-N63-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0015__15_69c891d6-6c2b-4c6d-9c99-07ca6b72e4da.jpg?v=1786611246"},{"product_id":"bwm-523i-f10-catback-sus304-valved-sport-exhaust-system","title":"BWM 523i F10 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBWM 523i F10\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBWM 523i F10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443339665667,"sku":"BMW-F10-523i-N52-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/6_744b5512-e5ce-4dfb-9d1c-d37e95dad853.jpg?v=1786611373"},{"product_id":"bmw-525i-528i-530i-b48-2-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW 525i 528i 530i B48 2.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 525i 528i 530i B48 2.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 525i 528i 530i B48 2.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443405627651,"sku":"BMW-G30-525i528i530i-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/6.sync-conflict-20250717-194602-LGAHJD4.jpg?v=1786611616"},{"product_id":"bmw-530e-g30-2-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW 530E G30 2.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 530E G30 2.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 530E G30 2.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443406610691,"sku":"BMW-G30-530e-B48-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0011__18.jpg?v=1786611889"},{"product_id":"bmw-540i-g30-3-0t-catback-sus304-valved-sport-exhaust-system","title":"BMW 540I G30 3.0T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 540I G30 3.0T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 540I G30 3.0T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443407069443,"sku":"BMW-G30-540i-B58-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0002_IMG_2121.jpg?v=1786612045"},{"product_id":"bmw-m550i-g30-4-4t-catback-sus304-valved-sport-exhaust-system","title":"BMW M550i G30 4.4T catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW M550i G30 4.4T\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW M550i G30 4.4T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443407462659,"sku":"BMW-G30-M550i-N63-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0022__21.jpg?v=1786612205"},{"product_id":"bmw-m550i-g30-catback-titanium-valved-sport-exhaust-system","title":"BMW M550i G30 Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW M550i G30\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW M550i G30\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443407986947,"sku":"BMW-G30-M550i-N63-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0017__17_14f9bbc1-3d63-4c75-b5b3-b6cb4e8d1bd5.jpg?v=1786612411"},{"product_id":"bmw-640i-f06-n55-catback-sus304-valved-sport-exhaust-system","title":"BMW 640i F06 N55 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 640i F06 N55\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 640i F06 N55\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443413983491,"sku":"BMW-F06-640i-N55-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0001_6.jpg?v=1786612797"},{"product_id":"bmw-640i-f12-catback-titanium-valved-sport-exhaust-system","title":"BMW 640I F12 Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 640I F12\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 640I F12\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443426009347,"sku":"BMW-F12-640i-N55-CB-TI-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0000_IMG_5892.jpg?v=1786613462"},{"product_id":"bmw-650i-f13-n63-catback-titanium-valved-sport-exhaust-system","title":"BMW 650i F13 N63 Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW 650i F13 N63\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW 650i F13 N63\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443430957315,"sku":"BMW-F13-650i-N63-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0014__19_097394a8-a95b-4ce6-a714-ea1ce748a52a.jpg?v=1786614276"},{"product_id":"bmw-740li-g12-catback-sus304-valved-sport-exhaust-system","title":"BMW 740Li G12 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 740Li G12\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 740Li G12\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443438690563,"sku":"BMW-G12-740Li-B58-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0017__26.jpg?v=1786614420"},{"product_id":"bmw-750i-f02-4-4t-catback-titanium-valved-sport-exhaust-system","title":"BMW 750i F02 4.4T Catback Titanium Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand: HMD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFitment: BMW 750i F02 4.4T\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type: Variable-Valve Catback Performance Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name: Racing-Grade Titanium Alloy Catback Exhaust\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment: Send vehicle details to customer service after order placement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Year: Confirm exact vehicle year before purchase\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003e Material: Premium Titanium Alloy (Lightweight, Fast Heat Dissipation, High Temperature Resistant, Corrosion Proof)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish: Custom Color: Physical thermal coloring (Blue, Gold, Purple, Raw Titanium)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Process: High-temperature tension welding, internal and external double-layer full weld, crack-proof and ultra-durable\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation: Direct OEM plug-and-play replacement, no cutting or welding required\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePerformance Gain: Reduced exhaust backpressure, improved exhaust flow\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eUpgrade Effect: Faster turbo response, higher engine efficiency, deeper and more penetrating exhaust sound\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Recommendation: Professional installation highly suggested\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eCustom Service: Free laser logo engraving\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLifespan \u0026amp; Warranty: 2-year official warranty, over 10-year service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOrigin: Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact: +86 18924479531 (WeChat \/ WhatsApp \/ Kakao Talk)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Titanium Alloy Valved Exhaust System — The Ultimate Choice for Lightweight Performance, Durability \u0026amp; Resonant Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower. Perfectly balanced for daily usability and extreme driving performance, fully releasing the advantages of titanium alloy lightweight and high-temperature resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Titanium Alloy Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade pure titanium alloy, our exhaust systems feature ultra-high strength, extreme temperature resistance and exceptional corrosion resistance, far surpassing traditional stainless steel exhausts. Titanium alloy material can withstand ultra-high temperatures up to 1650°C, effectively resisting high-temperature oxidation and exhaust gas erosion, maintaining permanent structural stability in long-term high-load driving conditions. With strict precision wall thickness control, it achieves 30%-40% lighter weight than stainless steel exhausts, reducing vehicle body load, improving power-to-weight ratio, and bringing more sensitive driving feedback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual-Side Welding Technology Craftsmanship\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdopts professional double-side tension welding technology, the core craftsmanship exclusive to high-end performance exhaust systems. The double-side synchronous welding process forms uniform and dense welding lines on both the inner and outer walls of the titanium alloy pipe body, solving the problems of single-sided welding such as uneven stress, easy cracking and poor air tightness. The welding seam is smooth and flawless with stable structural tension, which effectively prevents air leakage and fracture during high-temperature and high-frequency vibration, greatly extends the service life of the exhaust system, and ensures consistent and stable exhaust power performance for a long time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation, easily switching between quiet and sport modes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points, intelligently matching different driving habits.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBenefiting from the smooth pipe body and excellent thermal conductivity of titanium alloy, the exhaust flow is more unobstructed with lower exhaust resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, low-frequency sound insulation is better than stainless steel exhausts, no dull resonance, ideal for city commuting and highway cruising.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve Open—Unleashes an aggressive, crisp high-pitched roar unique to titanium alloy, with sharper throttle response, faster exhaust gas discharge and smoother high-RPM power delivery, bringing pure racing-level driving passion.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation. The precise pipe body sizing of titanium alloy materials ensures perfect vehicle fitting without modification damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising. The excellent damping performance of titanium alloy avoids driving fatigue caused by exhaust resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response, rapid exhaust gas circulation and a unique titanium roaring exhaust note — making every drive an exhilarating professional racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals, low noise and no harsh sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnique crisp titanium alloy exhaust sound and exquisite welding craftsmanship turn heads instantly, fully showcasing your professional and high-end taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: BMW 750i F02 4.4T\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — professional titanium alloy processing workshop, strict double-side welding process inspection, full quality control, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom titanium exhaust solutions available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium titanium alloy material — ultra-light, high-temperature resistant, anti-oxidation, never rust, durable for years\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eExquisite double-side tension welding craftsmanship — stable structure, no air leakage, no fracture, long service life\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：OUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\/kakao Talk：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443451207939,"sku":"BMW-F02-750i-N63-CB-TI-V","price":2238.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0019__17.jpg?v=1786614662"},{"product_id":"bmw-750i-g11-catback-sus304-valved-sport-exhaust-system","title":"BMW 750i G11 catback sus304 Valved Sport Exhaust System","description":"\u003carticle class=\"4ever-article\"\u003e\n\u003ch3\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eBrand：HMD \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cspan\u003eFitment：\u003c\/span\u003e\u003cspan\u003eBMW 750i G11\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Type：Variable-Valve Exhaust Syste(Catback) \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eProduct Name：Racing Grade catback Performance Exhaust pipe \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eVehicle Fitment：After placing your order, please send your vehicle details to customer service. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModel Years：Please confirm exact model year before ordering \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eMaterial：304 Stainless Steel \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eSurface Finish：Polished\/Brushed\/Sandblasting Stainless Steel, depending on version \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve：The default valve body is the one shown in the image. If you wish to use the vehicle’s original control system, please contact customer service to receive a free replacement bracket compatible with the vehicle’s original valve motor. \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWelding Method：TIG Hand Welded \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Type：Direct OEM Replacement Plug And Play No Cut No Weld \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eFeatures Improve：Exhaust Flow and Reduce Backpressure \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eModification results：Improve Turbo Response and Exhaust Efficiency \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eInstallation Note：Professional installation recommended \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eLogo Customization：Free Laser Logo Engraving \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWarranty：2 Year \u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePlace of Origin：Made in China\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eContact (WeChat\/WhatsApp\/kakao Talk)： +86 18924479531\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStainless Steel Valved Exhaust System—— The Smart Choice for Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan\u003e一、Product Overview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWhat is a Valved Exhaust System?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA valved exhaust system, in simple terms, is an exhaust setup equipped with an adjustable valve mechanism that allows drivers to freely switch between two modes: \"quiet and comfortable\" or \"aggressive and loud.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt Solves the Dilemma of Traditional Exhausts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eClosed-Loop\/Chambered— Base torque is sufficient, but exhaust flow becomes restricted at high RPM, limiting power output.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eStraight-Through— Strong horsepower at high RPM, yet noticeable low-end torque loss with loud noise.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOur Valved System Combines the Best of Both Worlds:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen the valve is closed, exhaust gas flows through a smaller diameter or single pipe, maintaining back pressure to preserve low-end torque. When the valve opens, gas flows through a larger diameter or dual pipes, reducing back pressure to unleash high-RPM horsepower.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e二、Key Product Advantages\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003ePremium Stainless Steel Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCrafted from high-grade stainless steel (sus304), our exhaust systems offer exceptional heat and corrosion resistance, ensuring long-term stability under extreme exhaust temperatures. sus304 grade withstands up to 1050°C, with precise wall thickness control for optimal weight reduction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFlexible Control Options\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eRemote Control Mode— Switch valve states with the included remote control for instant sound transformation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM Control Mode—The system automatically adjusts based on RPM and throttle position, with user-defined activation points\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDual Enhancement – Performance \u0026amp; Sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Closed—Deep, mellow tone (~80-85 dB), near-stock level, ideal for city commuting and highway cruising\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eValve Open—\u003c\/span\u003e\u003cspan\u003eUnleashes an aggressive, high-pitched roar with sharper throttle response and smoother high-RPM power delivery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBolt-on \/ Direct-fit Installation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for direct bolt-on fitment with no cutting or welding required. 100% reversible for quick, hassle-free installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e三、Application Scenarios\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDaily Commute\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eQuiet and comfortable with near-stock exhaust volume — perfect for city driving and highway cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeekend Canyon Runs \/ Track Days\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUnleash the full potential of your engine with sharp high-RPM response and a roaring exhaust note — making every drive an exhilarating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLate-night Returns\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Closed\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eOne-touch switch to quiet mode — no more neighbor complaints during late-night arrivals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCar Shows \/ Meetups\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eValve: Open\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eAggressive sound that turns heads and showcases your unique taste in automotive modification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e四、Product List\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Models: \u003c\/span\u003e\u003cspan\u003eBMW 750i G11\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(If you are unsure whether this product is compatible with your vehicle, please contact customer service.)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWireless Controller Set: 1 set\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eScrews and hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e五、Why Choose Us?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eIn-house factory production — quality controlled, competitive pricing\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eWide vehicle compatibility with custom options available\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003ePremium stainless steel — durable and rust-proof\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eComprehensive after-sales support\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\u003cspan\u003eOEM\/ODM orders welcome\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e六、Contact Us\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eInterested in learning more or requesting a custom quote? Reach out to us\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003email：\u003c\/span\u003e\u003cspan\u003eOUCHIEXHAUST009@gmail.com\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhatsApp\u003c\/span\u003e\u003cspan\u003e\/kakao Talk\u003c\/span\u003e\u003cspan\u003e：+86 18924479531\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"HMD Performance Exhaust","offers":[{"title":"Default Title","offer_id":49443492561155,"sku":"BMW-G11-750i-N63-CB-SS-V","price":1194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/files\/0010__12_dc64a7fa-cdd9-4437-b31b-0f0535659379.jpg?v=1786614839"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3084\/4675\/collections\/6_2c909cbe-4ca9-41de-b024-761f588f1f11.jpg?v=1665500814","url":"https:\/\/www.hmdexhaust.com\/zh-ca\/collections\/for-bmw-1.oembed","provider":"HMD Performance Exhaust","version":"1.0","type":"link"}