Performance exhausts for 29 marques — titanium & T304 stainless, valved or straight-through, built for your exact chassis.

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News

BMW M550i G30 rear three-quarter, SUS304 valved catback fitted, number plate pixelated

BMW M550i G30 Exhaust Sound: SUS304 for the Daily, Titanium for the M5

|HMD Exhaust R&D
Real owner footage of a BMW M550i G30 on our SUS304 system. We break down the four-band measurement (clipped at 0.0 dB — disclosed), why a turbo N63 leads with...
Mercedes-AMG S63 W222 rear three-quarter, SUS304 valved catback fitted, number plate pixelated

Mercedes-AMG S63 (W222) Exhaust Sound: Why a Turbo V8 Picks SUS304

|HMD Exhaust R&D
Real owner footage of a Mercedes-AMG S63 (W222) on our SUS304 system. We break down the four-band measurement (the recording clips at 0.0 dB — we read the floor and...
Ferrari F8 on our SUS304 valved catback, rear three-quarter, no readable plate in frame

Ferrari F8 Exhaust Sound: Why a Turbo V8 Leads with SUS304

|HMD Exhaust R&D
Real owner footage of a Ferrari F8 on our exhaust. We break down the four-band measurement, why a turbo V8 is an acoustic low-pass filter that mutes the titanium tonal...
BMW M550i G30 rear three-quarter, SUS304 valved catback fitted, number plate pixelated

BMW M550i G30 Exhaust Sound: SUS304 for the Daily, Titanium for the M5

|HMD Exhaust R&D
Real owner footage of a BMW M550i G30 on our SUS304 system. We break down the four-band measurement (clipped at 0.0 dB — disclosed), why a turbo N63 leads with...

Two decisions: system type & material

Catback
Corvette C8 Valved Axle-Back Titanium Racing Grade Exhaust System - 1
Lotus Evora 3.5T Full Set Valved Catback SUS304 Racing Grade Exhaust System - 1
Corvette C8 Valved Axle-Back Titanium Racing Grade Exhaust System - 1
Titanium Alloy
Ferrari GTC4Lusso V8 3.9T Valved Catback SUS304 Racing Grade Exhaust System - 1

Most-shopped model series

BMW M3 M4 G80 G82 Titanium CatBack Exhaust System Single Side Dual Pipe Mid Section
Porsche 911 991.2 3.0T Catback Titanium Valved Sport Exhaust System
Lamborghini Huracan LP580-2 LP610-4 Valved Catback Titanium Racing Grade Exhaust System - 1
Ford Mustang GT 5.0T Valved Catback SUS304 Racing Grade Exhaust System - 2
Audi R8 V10 5.2L 2022+ Catback For OPF‑Equipped models SUS304 Valved Sport Exhaust System
Mercedes-Benz AMG GT63S X290 catback SUS304 Racing Grade Exhaust System - 1
Volkswagen Golf MK7 1.4T catback SUS304 Sport Exhaust System - 1
BMW M5 F90 Catback Titanium Valved Sport Exhaust System

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