The 2005 Subaru STI is a fan-favorite among performance enthusiasts, known for its rally-inspired handling, aggressive styling, and turbocharged EJ257 engine. With a six-speed manual transmission, driver-controlled center differential (DCCD), and race-proven heritage, this STI is built to perform. Whether you're daily driving or building a track-ready machine, IAG Performance offers a wide range of parts—from engine internals and fueling upgrades to suspension, drivetrain, and aero components—designed to get the most out of your 2005 STI. IAG Performance has parts to fit your performance needs for all models of Subaru STI including: 2015 Subaru WRX STI, 2016 Subaru WRX STI, 2017 Subaru WRX STI, 2018 Subaru WRX STI, 2019 Subaru WRX STI, 2020 Subaru WRX STI, and 2021 Subaru WRX STI.
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