The Pro Circuit Type 496 Complete Exhaust System has been designed to reduce exhaust noise level to legal dB while producing a noticeable gain in horsepower over O.E.M. systems. State-of-the-art system uses a longer aluminum body and special internal E-glass packing for maximum sound disbursement for less noise and more power. Lightweight brushed aluminum muffler body. FIM-approved stainless steel modular end cap and intake tube. Hand-assembled and hand-welded for a fit and finish that would rival any Factory Works part. Includes lightweight aluminum mounting brackets. Wire mesh removable U.S. Forest Service-approved spark arrestor. Systems are complete and include header. Modular end caps for tunable power.