Audi RS4 B9 Avant - Resonated Cat-Back Exhaust System with Polished Oval Trims r8mk1/42 We find many customers start

We find many customers start with a resonator delete but soon take this further

the B48 produces 306hp and a thumping 332lb ft of torque

the Cobra Sport exhaust has been designed with this in mind

allowing it to be used to its fuller potential

The 'Valved' exhaust retains the use of exhaust valves

Audi RS4 B9 Avant - Resonated Cat-Back Exhaust System with Polished Oval Trims r8mk1/42 We find many customers startOur 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