The BBK Shorty Tuned Length Exhaust Headers are the perfect upgrade for your 1997-2003 Ford F Series Truck 4.6L. Designed and built in the USA, these headers are crafted with CNC mandrel bent tubing for a 35% increase in flow over stock, resulting in a boost of 10-15 horsepower and improved torque and performance.\n\nConstructed with heavy gauge 1-5/8 tubing, 3/8" laser cut flanges, and large bore patented designed collectors, these headers are built to last. The custom precision hand and robotic welds ensure long-lasting quality and durability. \n\nThis direct "perfect" fit replacement exhaust includes all new gaskets and hardware, making installation a breeze. Say goodbye to restrictive stock systems and hello to improved performance and sound with these BBK Shorty Tuned Length Exhaust Headers.\n\nBolt on an additional 8-12 horsepower with these headers that are specifically designed to fit all 1997-2003 Ford F150 and 1997-2002 Expedition 4.6L applications. The custom nickel chrome finish adds a sleek touch to your vehicle while enhancing its overall performance. Upgrade your ride with BBK, the number one aftermarket performance exhaust brand in the USA.