The low compression type FA20 2.1L Kit is available for high boost tuning. Upgrading with forced induction is very common for the FA20 engine tuning. HKS has developed a highly durable low compression piston required to move onto the next tuning level.
CORSA Performance cool air intakes are uniquely engineered to decrease air temperatures, and increase the volume of cold air entering the engine increasing Horsepower, Torque and overall engine performance.
BLOX Racing throttle bodies for the Subaru FA20 engines are CNC-machined from high quality, billet aluminum. Designed to be 100% bolt on and plug and play, these larger bore units do not require any special modifications or rewiring. Once installed, the factory ECU will provide a "relearn" and dial in the new throttle body.