The TurboXS 2008 - 2021 Subaru STI 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 Downpipe or Upgraded Turbocharger.
During the Canada Post strike, Canada post rates will be displayed at checkout but we will ship via alternate carriers at no extra cost.