77 Series High Flow GMC Cold Air Intake, 4.2L Gas, 6 Cylinder- 2002 2003 2004

K&N FUEL INJECTION PERFORMANCE KIT, 57 SERIES FIPK, GENERATION 2, COLD AIR INTAKE -- 50 State Legal, Replaces Entire Air Intake Tract And Filter, Reusable Filter Lasts Longer, Produces An Additional 8.66 Horsepower At 6300 RPM, Increases Fuel Mileage, Easy To Install, Larger Filter Area Increases Service Intervals, Million Mile Manufacturers Warranty, Replacement Filter Part Number RC-4690, GROUND SHIPPING ONLY