1999-2006 Chevrolet/GMC GMT800 Silverado/Sierra 1500 Exhaust Header Infiniti 7mm width) and hexagon socket

7mm width) and hexagon socket (20mm length)

For Aprilia RXV550 2006-2013

For Arctic Cat Panther 500 1986-1988

For Honda VTR250 2009

1999-2006 Chevrolet/GMC GMT800 Silverado/Sierra 1500 Exhaust Header Infiniti 7mm width) and hexagon socketFeature: 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