For Jeep Grand Cherokee WJ 4.7L V8 Silver-Coated Aluminum Cold Air Intake Pipe+Heat Shield+Filter Helps Engine to Draw in More and Colder Air Resulting in Better Throttle Response and Higher Explosive Horsepower Output Improves Up To 95% Filtration Efficiency, Increase 5 to 10 Horsepower, 6 to 8 Precent of Torque, and Improve the Gas Mileage Heatshield to Block Radiant Engine Bay Heat for Improved Combustion 3.5" Inlet / Come with Intake Pipe, Heatshield and Air Filter Fit 99-04 Jeep Grand Cherokee 4.7L V8