• Direct fit for the 2002-2005 Subaru WRX / Sti L4-2.0L Turbo 2004-2007 Subaru Sti L4-2.5L Turbo 2006-2007 Subaru WRX L4-2.5L Turbo
• Increased Horsepower and Torque
• TIG-Welded for Strength and Durability
• 304 Stainless Steel Tubing
• High Flow Catalytic Converter
• Designed and Made in Pomona, CA
• Note: This Part kit is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles.
Injen Technology has examined the stock down-pipe and found prominent potential on improving the OE design by using mandrel bent stainless steel for optimum flow and corrosion resistance. TIG-welded by hand for race proven durability and endurance and eliminating any possibility of cracking during heat cycles. All of the Injen downpipes are uniquely designed to increase exhaust velocity for improved horsepower and torque. Just like all of our other performance parts, we dyno test our Down Pipes in-house and proudly build them in Pomona, CA.
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