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 |
