The Race Series is designed for the ultimate in high performance and an aggressive racecar sound. It features a true straight-through design for maximum high RPM pulling power and a 2.5" or 3" perforated core to virtually eliminate backpressure and maximize exhaust flow. The Race Series is recommended for the serious racer, turbo, nitrous oxide fuel systems, or wild cam applications.Material: 100% Stainless Steel - Mirror Finish
Body Shape: 6in. Round
Inlet/Outlet Size: 2.25in./4in.
Body Length: 14in.
Overall Length: 20.5in.
Core Size: 2.5in.