This air intake system produces 5 max horsepower, 12lbs. x ft. torque and out-flowed the factory intake by 81%. Includes a durable 18 gauge, powder-coated heat shield; this air intake system features a washable/reusable conical air filter. 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. This intake is 50-state legal (CARB E.O Number D-550-4) on 2007.5-2010 2500/3500 models.