For Dodge Ram 5.7 HEMI Black Cold Air Intake Pipe+Heat Shield+Filter System Appplication: 09-14 Dodge Ram 5.7L HEMI 4WD Intake Inlet Size: 3.5" Air Filter is Made of Micro Cotton Gauze, Washable and Reusable Heatshield to Block Radiant Engine Bay Heat for Improved Combustion Helps Engine to Draw in More and Colder Air Resulting in Better Throttle Response and Higher Explosive Horspower Output