HPS Performance Air Intake Kit with Upper Hot Side Charge Pipe, Black, 827-733WBKey Features 2. 5" mandrel bent aluminum tubing and reusable high flow cotton air filter for improved air flow. Custom engineered heat shield blocks out radiant heat from the engine and draws in cool air from the stock air vent. Features a one piece upper hot side charge pipe to further refine air flow. Improves acceleration with dyno proven gains up to 9. 5 horsepower and 9. 1 lb ft. of torque. Includes HPS high temperature resistant silicone