This air intake system produces up to 20 horsepower, 25 lbs. x ft. torque and out - flows the factory intake by 80. Included in this system is a washablereusable oiled conical air filter that uses five layers of progressive weave media for maximum air flow. The filter is constructed with 100 polyurethane for a long life and multiple cleaning cycles. This intake system also features a rotomolded tube that replaces the stock intake tract and directs increased air flow with improved volumetric efficiency for maximum performance. This intake system incorporates a unique coupling that smoothens the air transition into the intake tract, and also allows this kit to fit on both US and EURO Mass Air Flow Sensors. A one - piece black powder - coated heat shield requires little to no assembly for a hassle free installation. This intake utilizes a huge, 5 IN tall conical Pro 5R performance air filter for maximum flow. This 5 - layer progressive, oiled cotton gauze air filter provides maximum flow for increased horsepower and torque. The air filter is housed in a one - piece, black powder coated 16 - gauge heat shield that keeps warm engine air out for maximum performance. This one - piece heat shield uses factory mounting locations and comes with all hardware for a hassle - free installation. This system was designed to clear larger style HID headlight housings. On US specs cars converted to use the EURO MAF, this intake requires Tube Upgrade 54 - 12399 (sold separately) to fit correctly.