The Subaru STI has long been a favorite among rally fans and performance enthusiasts, known for its turbocharged power, sharp handling, and motorsports heritage. From the 2004 debut of the U.S.-spec WRX STI to the latest models, these AWD sedans were built to perform on pavement and dirt alike. At IAG Performance, we carry a wide selection of Subaru STI parts engineered to improve horsepower, cornering grip, durability, and reliability. Whether you're maintaining a daily driver or building a track-ready machine, IAG Performance offers high-quality engine components, suspension kits, drivetrain upgrades, and more. Trusted by racers and Subaru owners alike, we provide the proven parts and expert support you need to get the most out of your STI. IAG Performance has parts to fit your performance needs for all models of Subaru STI, including the 2008 Subaru STI, 2009 Subaru STI, and 2010 Subaru STI.
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