aFe Power Twisted Steel Long Tube Header 2002-2014 WRX / 2004-2021 STI
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1-5/8" - 2-1/2" 304 Stainless Steel Construction:
This system is constructed of 1-5/8" - 2-1/2" mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability.
Unequal Tube Lengths:
This header features Unequal Tube lengths to accentuate the iconic Boxer Rumble.
Laser Cut Flanges:
Factory style laser cut steel flanges are used for a secure, leak-free seal.
Installation:
Utilizing factory style flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation.
Formed Collector:
Formed collectors decrease turbulence and increase exhaust velocity. The result is increased horsepower, torque and improved throttle response.
TIG-Welded:
100% TIG-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.
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