Audi S4/S5 B9 Sport Diff without Brace Bars - Resonated (Quieter) Cat-Back Exhaust System with Quad GT-100 Polished Trims BMW > 5 Series > M5 & M5 Competition 4.4l Twin Turbo F90 LCI (OPF/GPF Equipped Cars) > 2021 and Later Transporting and storing race fuel

Transporting and storing race fuel off-road

Must be fitted with Milltek Sport 80mm Cat Back

The valves open and close depending on the vehicle's selected drive mode as with the standard exhaust system

making Milltek Sport one of the most accessible performance aftermarket brands on the market

Rear Silencers are designed to directly replace ther OE rear silencer with a freer flowing option

Audi S4/S5 B9 Sport Diff without Brace Bars - Resonated (Quieter) Cat-Back Exhaust System with Quad GT-100 Polished Trims BMW > 5 Series > M5 & M5 Competition 4.4l Twin Turbo F90 LCI (OPF/GPF Equipped Cars) > 2021 and Later Transporting and storing race fuelOur range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat Back system