Yamaha YFZ 450 '04-'05 Moto-C4 Full System Aluminum/ Stainless Steel

BUB Moto C4 high quality full systems deliver superior ride-ability on the track, in the desert, on the dunes or in the woods.
Our Hyper torque headers deliver the broadest power band available, producing huge increases in horsepower and torque.
All Moto C4 Systems Include a 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 eliminates the use of unsightly screws and pop rivets.
Modular die cast silencer end caps have o rings that seal the silencer.
Aluminum and Stainless steel construction makes this system ultra light.