This K&N intake systems replaces your Hummer H3's restrictive factory air filter and air intake housing. Est 10.97 hp gain at 4754 rpm. Made just for the 3.7L 5 cil engine in your H3 or H3T, K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your vehicle's engine to inhale a larger amount of air than the OEM air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The filters on these kits are washable and reusable. Most of our intake kits are relatively easy to install using tools commonly available. Please choose year make and model above. Fits 2007-2010 Hummer H3 & H3T w 3.7L Engine.
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