1999-2006 GMC Sierra 4.8L 5.3L Manifold Headers Moulding1 The kit requires approx 3

The kit requires approx 3 hours to remove the vacuum parts and install

0i 2004-2006

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If your DPF is plugged up your probably averaging about 13-14 mpg

11044-AA483

1999-2006 GMC Sierra 4.8L 5.3L Manifold Headers Moulding1 The kit requires approx 3Feature: 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