1999-2006 GMC Sierra 4.8L 5.3L Manifold Headers Moulding1 If your DPF is plugged

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

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For TOYOTA MARK II WAGON BLIT

For GT-R 11-09

Interchange Part Number: 8A6T-14529-AA

1999-2006 GMC Sierra 4.8L 5.3L Manifold Headers Moulding1 If your DPF is pluggedFeature: 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