Cold Air Intake Kit | Chevy Silverado & GMC Sierra 1500 2WD/4WD (2009-2013) Signal Booster Kits and Parts " These units replace the old

These units replace the old rusted and leaking stock exhaust Manifolds that normally require extensive cleaning and machine work to be recovered from warping and distortion

Seal - 4wd Output Shaft

The 3-1/2 IN BladeRunner intake manifold comes with 5 ports (2 are tapped at 1/8 IN NPT) built-in for nitrous injection

6L Duramax Map Sensor

Cold Air Intake Kit | Chevy Silverado & GMC Sierra 1500 2WD/4WD (2009-2013) Signal Booster Kits and Parts " These units replace the oldGain increased horsepower and throttle response while protecting your engine from harmful particles and debris with Rough Countrys Cold Air Intake System. This intake system moves the air filter away from the stuffy engine compartment so cooler air can be circulated into the engine for an increase in power. Cooler air is denser, and brings more oxygen into the combustion chamber to help your vehicle perform at its greatest potential. The cylindrical