Factory Limited Pipe exhaust system for Yamaha SuperJet (Years 1994 to current). The Factory Pipe 701 SuperJet comes complete with exclusive tunable headpipe, aluminum chamber, tuned exhaust manifold, and all required hardware. Improves acceleration throughout RPM range and top speed gains of 3.5-4 MPH based on stock craft testing. Exhaust systems are in stock. BLOWSION is an Authorized Factory Pipe Dealer.