Audi S4/S5 B9 Non Sport Diff models - Resonated (Quieter) Cat-Back Exhaust System with with Quad Cerakote Black Oval Trims KTMX-BOW power will decrease as your

power will decrease as your engine is misfiring or not utilising a cylinder

PRORAM oversized kit for the MQB platform fitting both RHD and LHD vehicles

This exhaust is also sold with a de-cat and is sold for motorsport and off road use only and will NOT be able to pass a UK MOT emissions test or police road side checks

allowing the engine to operate more efficiently and to increase performance

with the Cobra Sport alternative weighing in at 18

Audi S4/S5 B9 Non Sport Diff models - Resonated (Quieter) Cat-Back Exhaust System with with Quad Cerakote Black Oval Trims KTMX-BOW power will decrease as yourOur 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