Audi S4 V6/S5 3.0 B8.5 - Valved & Resonated (Quieter) Cat-Back Exhaust System with Black Velvet Trims caddy2k Filter Length: 290mm (11

Filter Length: 290mm (11

offers a significantly sportier exhaust note

is also available as a non-resonated version (excluding the centre silencer) which is a louder option

Example of Audi S5 sports exhaust (Cat-back - Non Resonated)

Audi S4 V6/S5 3.0 B8.5 - Valved & Resonated (Quieter) Cat-Back Exhaust System with Black Velvet Trims caddy2k Filter Length: 290mm (11Our 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