Audi S5 B9 Coupe/Cabriolet Non Sport Diff models - Resonated (Quieter) Cat-Back Exhaust System with Quad Polished Oval Trims Caption Venom Cat Back The resonated cat back system

The resonated cat back system increase sound levels by +11db to a sporty yet refined 87db recorded on the static 4

1dB in PPF back rear silencer delete configuration)

in 2009 Audi launched the 5

Improving sound & aesthetics

Audi S5 B9 Coupe/Cabriolet Non Sport Diff models - Resonated (Quieter) Cat-Back Exhaust System with Quad Polished Oval Trims Caption Venom Cat Back The resonated cat back systemOur 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