K&N 03-07 Hummer H2 V8-6.0L Performance Intake KitThe K&N 57 3037 FIPK air intake system replaces the restrictive factory air filter and air intake housing in some Hummer H2 models. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your H2's engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 57 3037 air intake comes