Audi S4/S5 B9 Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Titanium Trims New Mini > Mk2 > (R58) Cooper S Coupe�� > 2011 to 2015 Complete assembly with calibrated electric

Complete assembly with calibrated electric actuator and ancillary components for OE fitment

These features in combination with the previously mentioned micro-structure of spheroidal casting and ER2 technology allows the clutch kit to dissipate heat far more effectively

Along with increased performance

almost unrestricted air flow while maintaining filtration levels critical to ensure the longevity of your engine

Audi S4/S5 B9 Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Titanium Trims New Mini > Mk2 > (R58) Cooper S Coupe�� > 2011 to 2015 Complete assembly with calibrated electricOur 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