2001-2003 Chevy Silverado 1500HD/2500HD Header Manifold Exhaust Opel 8E0857961M

8E0857961M

06H 103 064 AC

2 * O-Ring #91345-R0A-A01

Manufacturing Part Number: PRC8949 + PRC8950

Part Number: 40173-AC500

2001-2003 Chevy Silverado 1500HD/2500HD Header Manifold Exhaust Opel 8E0857961MFeature: 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