Audi S4/S5 B9 Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Polished Trims Audi > RS4 > B8 4.2 FSI quattro Avant > 2012 to 2015 which is why engines wear

which is why engines wear out – eventually

this freer-flowing intercooler is a direct replacement for the smaller and more restrictive OEM set up

We also fit our TTE CNC silencer delete

60BHP more than the original A45

Thankfully the Cobra Sport development team have been able to rectify this with their GPF-back performance exhaust for the Cupra Formentor

Audi S4/S5 B9 Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Polished Trims Audi > RS4 > B8 4.2 FSI quattro Avant > 2012 to 2015 which is why engines wearOur 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