aFe Twisted Steel Exhaust Header for 2002-2021 Subaru WRX Sti (48-36803)

Product Description

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

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Product Brand Information

advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic programmers, diesel fuel systems, throttle body spacers, and more. aFe is passionate about providing the most compelling, innovative, and highest performing products that are designed, built and tested in the USA. aFe was founded in 1999 and has headquarters and manufacturing facilities in Corona, California, USA. In the fall of 2007, aFe added diesel fluid filters for diesel applications. In 2008, aFe introduced the Aries 1 and Aries 2 filters and intakes for popular powersport applications. 2009 saw the release of the BladeRunner intercooler Intercooler for diesel applications as well as the Takeda USA intake line for sport compacts. In 2012 aFe Power entered into the differential cover and transmission pan market. 2011 saw the release of a new turbocharger and Scorcher Programmer product lines.