aFe Power Twisteds 409 SS Long Tube Headers and Y-Pipe (Street Series) 15-18 Ford F150 V8-5.0L

Header
Formed Collectors:
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-Pipe
Construction:
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.

Race Disclaimer:
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. To complete the purchase of this item, aFe Power competition acknowledgement/liability release form must be filled out and submitted.

All aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.