Yamaha YFZ 450 '04-'07 Moto-C4 Slip On

BUB Moto C4 high quality slip-on systems deliver superior ride-ability on the track, in the desert, on the dunes or in the woods.
Internally, the system includes an removable USFS Approved Spark Arrester.
Two-stage sound suppression technology diffuses engine pulse, delivers consistent internal flow for optimal power, eliminates objectionable noise and lasts twice as long as conventional suppression systems.
Our unique end cap retention system eliminates the use of unsightly screws and pop rivets on the silencer housing
Modular die cast silencer end caps have o rings that seal the silencer.
Aluminum and Stainless steel construction makes this system ultra light.