aFe POWER Twisted Steel 409SS Shorty Header 2004-2010 Ford F-150 V8-5.4L

aFe Power has released their new Twisted 409 Stainless Steel Short Tube Header for the 2004–2010 Ford F-150! This system is constructed of 1-5/8 inch mandrel-bent 409 stainless steel tubing for maximum strength and durability. Factory-style laser cut machined flanges are 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. Features: Constructed from 1-5/8 IN Mandrel-Bent 409 Stainless Steel Tubing Optimized Tube Lengths for Improve Flow and Performance Heavy Duty Laser Cut Machined Flanges are used for a Durable Leak-Free Seal Mitered Merge Collector Increases Velocity to Broaden the Torque Curve 100% MIG-Welded for Strength and Durability Works with Factory Exhaust System with No Modifications Necessary Application: 2004–2010 Ford F-150 V8 5.4L, 2006–2010 Ford Expedition V8 5.4L