Super 40 Series Muffler Spring Kits Extensive testing on the street

Extensive testing on the street and at the track has enabled us to develop custom systems that have been tuned for optimum performance while avoiding the foibles of typical 'big brake kits

Exhaust Pipe Kit - U-Fit - Header-Back - 3 in Pipe Diameter - Steel - Aluminized - Universal - Kit

Catalytic Converter - 223 Series - 2

If you've been searching for a truly high-performance Axle-Back exhaust for your M3 look no further

3 L - Crew Cab - GM Fullsize Truck 2014-18 - Kit

Super 40 Series Muffler Spring Kits Extensive testing on the streetMuffler Super 40 Series 2. 5 in Offset Inlet 2. 5 in Offset Outlet 13. 5 x 10 x 5 in Oval Body 19. 5 in Long Steel Black Paint Universal Each