Audi S5 B9 Sport Diff models with Brace Bars - Non-Resonated Cat-Back (Louder) with Quad Brushed Titanium Trims Part_Cat Back 5% less than the OE

5% less than the OE system's 26

1dB on the test circuit maxing out at 77

9mm pipework and fits from the turbo to the centre exhaust to replace the standard catalyst

Important: Only fits to BM109 Cobra Sport PPF/Resonator Delete Pipework Only

AEM X-Series OBDII Gauge

Audi S5 B9 Sport Diff models with Brace Bars - Non-Resonated Cat-Back (Louder) with Quad Brushed Titanium Trims Part_Cat Back 5% less than the OEOur 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