1999-2006 Chevrolet/GMC GMT800 Silverado/Sierra 1500 Exhaust Header Yamaha Body Cover Exterior diameter : 89mm

Exterior diameter : 89mm

Fits Yamaha YFZ450 S/T 2004-2005

Interior diameter : 41

Suzuki SV650/S 1999-2010(F14/S-650)

1999-2006 Chevrolet/GMC GMT800 Silverado/Sierra 1500 Exhaust Header Yamaha Body Cover Exterior diameter : 89mmFeature: 1. Getting more air into your engine and more exhaust out is the key to a performance motor. That's where exhaust headers is significant as the first revenue of an exhaust system. Exhaust performance headers manipulate the air flow with the performance robbing exhaust manifold that came with your car. 2. Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders; thus, the