Audi S8 D4 Quattro - Resonated (Quieter) Cat-Back Exhaust System with Cerakote Black Trims Model_320D (E91) Estate 07-11 Balance shaft delete kit

Balance shaft delete kit

Regardless of what mode is selected

ATD / AXR 100

As the cat/de-cat section is removable it's easy to change between a sports catalyst or a de-cat pipe if you're running on the road and circuit

freeing up hidden horsepower and raising fuel economy

Audi S8 D4 Quattro - Resonated (Quieter) Cat-Back Exhaust System with Cerakote Black Trims Model_320D (E91) Estate 07-11 Balance shaft delete kitOur 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