Audi S4/S5 B9 Sport Diff without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad Polished Oval Trims Model_Cooper S (R59) Roadster (2012-15) Quaife ATB Helical Limited Slip

Quaife ATB Helical Limited Slip Differential for VAG 02M 6 Speed Gearbox

Black silicone inlet pipes

The addition of a GPF Filter in later Mk7

Independent power testing of the non resonated cat back system revealed impressive gains of +10bhp along with +16 lb-ft gain in torque

Audi S4/S5 B9 Sport Diff without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad Polished Oval Trims Model_Cooper S (R59) Roadster (2012-15) Quaife ATB Helical Limited SlipOur 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