Pair 4-1 Stainless Steel Exhaust Manifold Header Replacement for 77-79 Ford F100/F150/F250 5.5L 6.6L V8
Brand: Auto Dynasty
Color: Chrome

Getting more air into your engine and more exhaust out is the key to a performance motor. That's where exhaust headers is significant as the first revenue of an exhaust system. Exhaust performance headers manipulate the air flow with the performance-robbing exhaust manifold that came with your car. Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders; thus, the backpressure that occurs in common exhaust manifolds. When cylinders don't have to fight with each other to expel their exhaust, they can put more power through the wheels, pushing the vehicle. Combining with a high performance cold air intake, and a cat-back exhaust system, a header system removes all restrictions of your engine, then, it is able to perform at its full potential. Package Included: 1 X Pair of Exhaust Manifold Headers (Left & Right) Compatible with the list below: 77-79 Ford F-100 F-150 F-250 with 5.8 6.6 V8 Modification to stock exhaust required to retain stock catalytic converter.

▶️ Made of High Quality T-304 Stainless Steel Material
▶️ TIG welded CNC Machined Flanges ; Full Length Headers for Higher Horsepower
▶️ Metal Gasket Included ; 2 X 4-1 Racing Design
▶️ 1-3/4" OD Primaries ; 2-1/2" Slip Fit Collector Diameter
▶️ Increase high flow air, instantly gain 10 to 15 Hp. / Tq.