Audi S4 B9 Sport Diff without Brace Bars - Non-Resonated Cat Back with Polished Trims Model_JCW (F56) 2014-18 Alternative kits available with silicone

Alternative kits available with silicone intake hose and turbo elbows

TTE Billet Highly efficient compressor geometry 7+7 Blade

This pipework allows the engine to breathe and contributes to our aim for the largest natural performance improvements

with a pleasing tone and none of the dreaded drone associated with a lot of aftermarket exhausts

0 TDI engines produces a slightly deeper than standard tone on idle and when under load the exhaust tone becomes more pronounced with a surge in urgency

Audi S4 B9 Sport Diff without Brace Bars - Non-Resonated Cat Back with Polished Trims Model_JCW (F56) 2014-18 Alternative kits available with siliconeOur 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