COBB Tuning 3-Port Boost Control Solenoid Subaru WRX 08-14/STI 08-21/Legacy GT 05-09
Grimmspeed Boost Control Solenoid Subaru STI 08-21
SteamSpeed 3-Port Boost Control Solenoid Subaru WRX 08-14/STI 08-16/Legacy GT 05-09