Audi S5 B9 Coupe/Cabriolet Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with with Quad Black Oval Trims Model_(8P) 2.0 TFSI 2WD (3 Door) 2004-12 Sound - Engine at Idle:

Sound - Engine at Idle: 65

offers a significantly sportier exhaust note

5mm pipework and fits from the turbo to the centre exhaust to replace the standard catalyst

The stock BMW tailpipes are prone to rust after a period of time

Example of BMW M235i Sport Exhaust (Cat back - non-resonated with de-cat)

Audi S5 B9 Coupe/Cabriolet Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with with Quad Black Oval Trims Model_(8P) 2.0 TFSI 2WD (3 Door) 2004-12 Sound - Engine at Idle:Our 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