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

Part #: vConstructed 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

1-5/8 IN 409 Stainless Steel Construction:
This system is constructed of 1-5/8 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability.

Heavy Duty Flanges:
Factory style laser cut machined flanges are used used for a secure leak-free seal.

Installation:
Utilizing factory flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation.

Integrated Mitered Merge Collector:
A mitered merge collector is used to decrease turbulence and increase exhaust velocity resulting in increased horsepower, torque and improved throttle response.

Computer-Aided Design:
Utilizing state-of-the-art computer-aided design technology, these headers are is designed for custom, high tolerance factory fitment.

MIG-Welded:
100% MIG-Welded for race-proven strength and durability.

Emissions Disclaimer:
This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.

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