Gibson 04- Ford F150 5.4L Stainless Header Fuel Cooler Lower fenders have a tapered

Lower fenders have a tapered valance built in and are thicker for improved durability

Fine tune vehicle set-up by adjusting the upper bushing plate

9 hp and 200 ft

Note these shields are FIA rated only

Gibson 04- Ford F150 5.4L Stainless Header Fuel Cooler Lower fenders have a taperedEvery Gibson Performance Header is Dyno tuned and engineered to deliver more usable horsepower and torque at low and mid range RPM highway speeds. Improves engine's 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