The TurboXS 2015 - 2021 Subaru WRX Boost Control Solenoid is designed to replace factory 2 port boost solenoid with a 3 port. This part is required for great boost control on your WRX when using an aftermarket front pipe.
The TurboXS 2015 - 2021 Subaru WRX Boost Control Solenoid is designed to replace factory 2 port boost solenoid with a 3 port. This part is required for great boost control on your WRX when using an aftermarket front pipe.