Style:GOLD-006 The exhaust manifolds found in the 2000-2016 Chevrolet / GMC Pickups and SUVs were designed to combine the exhaust gasses from each of the cylinders quickly with a manifold that was cost effective to produce. Our 4-1 Shorty Style off-road headers are designed to allow the exhaust gasses to flow more freely from each 4 cylinder bank and combine in a more efficient manner. Tubing has been optimized for the 4.8L and 5.3L engines. This creates a reduction in cylinder backpressure and improved exhaust gas velocity. These improvements free up lost horsepower and torque. An added benefit is a more performance oriented exhaust sound. Fit 03-09 Hummer H2 6.0 6.2 00-16 Chevy Silverado 1500 2500 3500 4.8 5.3 6.0 6.2 00-13 Chevy Tahoe 4.8 5.3 6.2 00-13 Chevy Suburban 1500 2500 5.3 6.0 00-16 GMC Sierra 1500 2500 3500 4.8 5.3 6.0 6.2 00-13 GMC Yukon 4.8 5.3 6.2
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