Audi S4/S5 B9 Sport Diff without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad JET-100 Carbon Trims s38v insufficient surface hardening of the

insufficient surface hardening of the cam follower contact surface

These Mercedes C Class C180 performance exhausts are made in 2

Note - The fitted images show the resonated cat-back system

Sound - Engine at Idle: 72dB (+11

improve flow efficiency and enhance the exhaust tone

Audi S4/S5 B9 Sport Diff without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad JET-100 Carbon Trims s38v insufficient surface hardening of theOur 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