Do you want to give your Audi A3 a brilliant performance oriented sound, than this Billy Boat Exhaust will be perfect for your vehicle.
Billy Boats's A3 Exhaust is a stainless steel 3.0" mandrel bent cat-back exhaust. This exhaust is very quiet and simply changes the tone of the exhaust to a deep unobtrusive sound. With TIG welding fully stainless construction and CNC'ed hangers you will not find a higher quality system on the market. All BB exhausts come with a full lifetime warranty.
With APR exhaust-specific software peak gains of 18hp and 20lb-ft can be seen. At some RPM's these gains are as high as 22hp and 25lb-ft. APR exhaust-specific software is available for free for all APR ECU Upgrade customers.
This Part Fits the Following Vehicles