F150 4.6 15/8 SHRTY HDR 304SS NAT

Flowtech 1-5/8-Inch Shorty Headers (Raw) are designed to enhance exhaust flow, increasing horsepower and torque. They feature a 1.62-inch diameter primary tube for an aggressive exhaust tone. These headers are designed to retain OE catalytic converters and work with OE exhaust components. Constructed from 304 stainless steel with mandrel-bent tubing and TIG-welded, machined flanges for durability and leak-free performance. They come with a corrosion-resistant raw finish, and AmericanTrucks recommends applying high-temperature paint for longer-lasting performance. Reprogramming the truck's ECU is required. They are CARB-Approved and 50-state smog legal under CARB E.O. number D-115-28.