OBX Exhaust Headers 99-03 Ford F150 Triton 5.4L V8

Brand New Stainless Steel Exhaust Header Manifold for the:

99-03 Ford F150 Triton 5.4L V8

This system replaces the factory system with a long tube runner design in addition to replacing the factory cats with straight thru resonators. Due the long tube design, extention to your o2 sensor wires is required. This system is intended for off-road / non public road use or in states with no emissions testing. With this header installed you the car will see the factory cats have failed / non existant and will bring up a check engine like; you will also no longer be emissions legal. Please check local and state laws if you are worried about this issue prior to purchase. New gaskets are included for installation. Like all OBX products, this too is backed by their lifetime warranty program.

Approximated Dimension:

• Primary Tube Diameter: 1 3/4"
• Collector Diameter: 2 1/2"
• Runner Wall Thickness: 1/2"
• Flange Thickness: 3/8"

• Dyno tested and proven increase horse power
• Direct bolt-on without modification
• High quality T-304 stainless steel mandrel bend for ultra fast flow
• CNC machine flanges with DUAL-TIG welded construction
• Utilizes factory 02 sensor position
• Gaskets and hardware included for proper installation