Audi S4/S5 B9 Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-90 Cerakote Black Trims Model_325D (F31 LCI) Estate 15-19 2mm pipework and fits from

2mm pipework and fits from the GPF section (Gasoline-Particulate Filter) backwards (GPF-back) these exhausts replace the centre and rear sections

2mm) Quad Exit performance exhausts adding even more attitude to the rear of the GTI

please follow the link in the description below to purchase

000 miles or every 4 years

the Quaife ATB Helical LSD differential relies on gears rather than clutch plates for its operation

Audi S4/S5 B9 Non Sport Diff models - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-90 Cerakote Black Trims Model_325D (F31 LCI) Estate 15-19 2mm pipework and fits fromOur 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