Audi S1 - Non-Resonated (Louder) Cat-Back Exhaust System with Quad Cerakote Black Round Trims Model_A 45 S (2019>) Please Note: Certain models are

Please Note: Certain models are shipped from factory with a single hanger and exhaust rubber on the standard back box

a Twin-Tangential Velocity Stack

If you are replacing any aspect of your ignition system

For best results

9mm) inward rolled baffled or inverted highly polished stainless steel tailpipes

Audi S1 - Non-Resonated (Louder) Cat-Back Exhaust System with Quad Cerakote Black Round Trims Model_A 45 S (2019>) Please Note: Certain models areOur 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