Twisted Steel Long Tube Header & Y-Pipe 409 Stainless Steel Ford F-150 15-20 V8-5.0L

AFE Power 048-48-43015-1YN Features:

Header: 4-to-1 formed collectors decrease turbulence and increase exhaust velocity. The result is increased horsepower, torque and improved throttle response.Optimized Header Tube Lengths: Optimized tube length pulse control technology delivers improved flow and performance.Y-PipeConstruction: Constructed of mandrel-bent 3" stainless steel tubing which transitions into single 3-1/2" piping to reduce back pressure and improve flow.True Mitered Merge Collector: Reduces turbulence and improves flow.Leak-Free Seal: High quality OE style flanges and band clamps are used for a complete 360 degree sealing surface.Hassle-Free Installation: The performance headers and y-pipe are designed to fit in the stock location incorporating the OE hanger, flange and O2 sensor locations.All aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.

• +35 lbs. x ft. TQ & +14 HP
• Optimized tube lengths for balanced performance
• Mandrel-bent tubing improves exhaust flow and performance
• True formed merge collectors for smoother exhaust transition
• Laser-cut flanges for a leak-free seal