Gibson 97-99 Ford F-250 Base 5.4L 1-1/2in 16 Gauge Performance Header - Ceramic Coated

Every Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock crossover pipe. They are well suited for lowered and raised vehicles, street and off-road. 50 State Street legal. Meets EPA and CARB requirements. Will not affect the factory warranty. No welding required. Uses OEM style connections. 3/8 in. Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.Installation InstructionsCertificate of OriginWarrantyThis Part Fits: Year Make Model Submodel 1997-2003 Ford Expedition Eddie Bauer 1997-2003 Ford Expedition XLT 1997-2000 Ford F-150 Base 2000-2003 Ford F-150 Harley-Davidson Edition 2001-2003 Ford F-150 King Ranch 1997-2003 Ford F-150 Lariat 1999-2003 Ford F-150 Lightning 1997-2003 Ford F-150 XL 1997-2003 Ford F-150 XLT 2004 Ford F-150 Heritage SVT Lightning 2004 Ford F-150 Heritage XL 2004 Ford F-150 Heritage XLT 1997-1999 Ford F-250 Base 1997-1999 Ford F-250 Lariat 1997-1999 Ford F-250 XL 1997-1999 Ford F-250 XLT