Audi S4/S5 B9 Sport Diff without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Cerakote Black Trims Audi > S5 > 3.0 TFSI B8 Sportback > 2010 to 2011 0 TDI performance exhaust is

0 TDI performance exhaust is made in 3"/76

This is a replacement panel filter for multiple VAG vehicles

the factory exhaust is very restrictive

which is 32

Audi S4/S5 B9 Sport Diff without Brace Bars - Non-Resonated (Louder) Cat-Back Exhaust System with Quad GT-100 Cerakote Black Trims Audi > S5 > 3.0 TFSI B8 Sportback > 2010 to 2011 0 TDI performance exhaust isOur 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