MBRP 15-20 Audi S3 T304 Stainless Steel Cat - Active - S46043CF

Our high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency more torque more horsepower and last but not least a sound that is pure MBRP.4" Outside Diameter Carbon Fiber Tips Included. For use on cars factory equipped with quad Tip active exhaust.