Audi S4 B9 Non sport Diff models - Non-Resonated (Louder) Cat-Back with Quad Cerakote Black Oval Trims Model_(8P) 3.2 V6 Quattro 2003-12 This is a replacement panel

This is a replacement panel filter for the Audi A4

4-cylinder turbocharged engine and increase the firepower

Our design retains the OE trapezoidal thread with an integral engagement lock feature for a positive locking feature

Manufactured from T304 stainless steel

Formulated for high revving engines used in circuit racing or for larger engines for short duration i

Audi S4 B9 Non sport Diff models - Non-Resonated (Louder) Cat-Back with Quad Cerakote Black Oval Trims Model_(8P) 3.2 V6 Quattro 2003-12 This is a replacement panelOur 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