Taking on way more exhaust sound and speed is not difficult. The specially built panels in our Audi S4 mufflers reduce restrictions and open up your exhaust gas flow to ensure you've got more juice. Whether you're after a mild or screaming tone, it can be yours for the taking.
It's now easy to jack up your car's tone with an Audi performance muffler. Restriction-free S4 performance mufflers take your motor's performance in a whole new direction with high-flow designs. And better yet, each S4 performance muffler from AAG is backed by awesome prices and industry leading customer service and support.