Gibson 04-10 Ford F-150 FX4 5.4L 1-5/8in 16 Gauge Performance Header - Stainless

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 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 not affect the factory warranty. No welding required. Uses OEM style connections. 3/8" Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.

• Heavy Duty 409L Stainless 16 Gauge Tubing
• Mandrel Bent Tubing
• Heavy Duty 3/8 in. Thick Laser Cut Port Flanges
• Premium Gaskets and Hardware
• No Welding Required
• Uses OEM Style Connections