Audi S4/S5 B9 Sport Diff without Brace Bars - Resonated (Quieter) Cat-Back Exhaust System with Quad GT-100 Burnt Titanium Trims s38v and is mated to BMW's

and is mated to BMW's excellent xDrive all-wheel drive system

The valved de-cat/resonated turbo back exhaust system was put to the test at MRC Tuning where the car received a specialist stage 2 remap

The new systems for the M135i are based around a cat back configuration with the option for either a resonated or louder non resonated centre section

Seat Toledo

Audi S4/S5 B9 Sport Diff without Brace Bars - Resonated (Quieter) Cat-Back Exhaust System with Quad GT-100 Burnt Titanium Trims s38v and is mated to BMW'sOur 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