Audi S4/S5 B9 Non Sport Diff models - Resonated (Quieter) Cat-Back Exhaust System with Quad Polished Oval Trims S38P Cat/GPF-Back - Pipework which attaches

Cat/GPF-Back - Pipework which attaches to the downpipe

One thing that can do is Improve the sound and rear end styling

Look no further for reliable

made in house

EPDM seals and a Santoprene diaphragm that provides consistent and reliable fluid delivery

Audi S4/S5 B9 Non Sport Diff models - Resonated (Quieter) Cat-Back Exhaust System with Quad Polished Oval Trims S38P Cat/GPF-Back - Pipework which attachesOur 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