aFe Twisted Steel 409SS Shorty Header 04-10 Ford F-150 V8-5.4L

This system is constructed of 1-5/8 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Factory style laser cut machined flanges are used used for a secure leak-free seal. Utilizing factory flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation. A mitered merge collector is used to decrease turbulence and increase exhaust velocity resulting in increased horsepower, torque and improved throttle response. Utilizing state-of-the-art computer-aided design technology, this false is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.

• Heavy Duty Laser Cut Machined Flanges are used for a Durable Leak-Free Seal
• Mitered Merge Collector Increases Velocity to Broaden the Torque Curve
• Constructed from 1-5/8 IN Mandrel-Bent 409 Stainless Steel Tubing
• Works with Factory Exhaust System with No Modifications Necessary
• Optimized Tube Lengths for Improve Flow and Performance
• 100% MIG-Welded for Strength and Durability