Audi S1 - Non-Resonated (Louder) Cat-Back Exhaust System with Quad Cerakote Black Round Trims Model_A 45 S (2019>) For best results

For best results

2 litre engine building on the success experienced with the 1

If you are replacing any aspect of your ignition system

For those looking to take the style upgrade a stage further

Audi S1 - Non-Resonated (Louder) Cat-Back Exhaust System with Quad Cerakote Black Round Trims Model_A 45 S (2019>) For best resultsOur 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