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 Boost Solenoid is an excellent upgrade for your FA20 WRX. It enables precise boost control and is easy to install mounting in the stock location and plugging directly into the stock harn.
TurboXS 2015 - 2021 Subaru WRX Boost Control Solenoid
Turbo XS Subaru WRX FA20 Boost Control Solenoid Kit
2015 - 2021 Subaru WRX Boost Control Solenoid
TurboXS Boost Control Solenoid
Turbocharger Boost Solenoid