Upgrade your 2004 Subaru WRX with proven aftermarket parts for the GD platform. The 2004 model features refined EJ205 performance with established modification paths.
2004 WRX Engine Modifications
The 2004 WRX's EJ205 2.0L turbocharged engine responds well to performance modifications. Popular upgrades include performance intakes, upgraded turbochargers, and engine management tuning.
Popular 2004 WRX Performance Upgrades
Transform your 2004 WRX with turbo-back exhaust systems, suspension modifications, and aerodynamic enhancements. The mature aftermarket ensures diverse customization possibilities.
