Gibson Shorty Headers - 1.5 in Primary - Stock Collector Flange - 5.4 L - Ford Modular - Ford Fullsize SUV / Truck 1999-2005 - Pair OFF-M-SPORT-F Launch control

Launch control

Best suited for applications exceeding 450 HP

Aggressive Sound:

Resists Scratching/Peeling And Fading

cylinders and even valve spring installed height

Gibson Shorty Headers - 1.5 in Primary - Stock Collector Flange - 5.4 L - Ford Modular - Ford Fullsize SUV / Truck 1999-2005 - Pair OFF-M-SPORT-F Launch controlEvery 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