Frees Up Horsepower Straight Forward Install aFe Quality aFe POWER Magnum FORCE Stage-2 Pro DRY S Cold Air Intake System Ford F-150 97-05 V8-4.6L/5.4L This aFe Stage 2 cold air intake system produces 12 hp & 13 lbs. x ft. torque and outflows the factory intake by 46. Enclosed in a durable 16 gauge, powder-coated heat shield this air intake system features a Pro DRY S washable/reusable conical air filter that improves airflow for increased horsepower and torque. This intake system also features a heat-insulating molded plastic tube that replaces the stock intake tract and directs increased air flow with improved volumetric efficiency for maximum performance. One-piece heat shield requires little or no assembly and the filter is constructed with 100 polyurethane for long life and multiple cleaning cycles. 3-Angle Adaptor- The 3-angle adaptor is used to speed up the airflow after the air filter for improved performance and throttle response. Dyno Tuned Intake Tube &mdash The intake tube has been engineered and dyno tested for maximum air flow and velocity for increased performance. All emissions components and bracket locations are used for a hassle-free installation Retains Factory Sensor- This intake is designed to retain the factory cartridge style sensor and supplies all the necessary hardware. Hassle-Free Installation- This intake utilizes factory mounting locations and all hardware is provided for a hassle-free installation. Note 1 This intake is 50-state legal for 1997-2005 F-150 2002-2004 F-150 Lightning 1997-2005 Ford Expedition V8-5.4L/('97-'02) V8-4.6L models (CARB E.O Number D-550-3/28). Note 2 This intake fits the 5.4L 24-Valve Only. Does NOT fit the 32-Valve models. Also Fits 1997-2005 Ford Expedition 97-05 V8-4.6L/5.4L1998-2001 Lincoln Navigator 98-01 V8-5.4L VEHICLE APPLICATIONS Year Make Model SubModel Engine Fuel 1997-2002 Ford Expedition (UN93)