The Subaru WRX is a performance icon, blending turbocharged power, all-wheel-drive control, and rally-inspired handling into one thrilling package. Whether you’re behind the wheel of an early EJ20-powered model or the latest FA24-powered version, the WRX responds well to upgrades that enhance power, handling, and reliability. IAG Performance offers a wide range of parts for the WRX, from engine builds and turbo upgrades to suspension kits and drivetrain components—helping you push your WRX to new levels of performance, on the street or the track.
The 2003 Subaru WRX is a legendary entry in the WRX lineup, known for its turbocharged EJ205 engine and rally-bred performance. Whether you're restoring your classic or upgrading for more power and handling, the 2003 WRX offers plenty of potential. IAG Performance provides high-quality aftermarket parts, including engine components, suspension upgrades, turbo systems, and drivetrain parts—perfect for keeping your WRX at peak performance. From weekend warriors to daily drivers, our parts are built to enhance your 2003 WRX's capabilities and reliability.