Non-Valved (Louder) Rear Silencer Bypass with GT-90 Cerakote Black Trims - M135i Valance s18x Race Rear Axle Back Test

Race Rear Axle Back Test Results:

this new valved system has been specially developed to integrate with the Audi Drive modes

Please note: Requires GTI Rear Valance

Example of VW Golf GTD Mk7 sports exhaust (with sound pack option)

Recommended for competition engines where maximum power release is the preferred criteria and beneficial for high revving engines

Non-Valved (Louder) Rear Silencer Bypass with GT-90 Cerakote Black Trims - M135i Valance s18x Race Rear Axle Back TestOur 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