BOOST CONTROLLER

COBB / 3-PORT EBC / ELECTRONIC BOOST CONTROL SOLENOID (715750) *** SUBARU WRX STI (2015-2021)

The COBB 3-Port Boost Control Solenoid (BCS) adds the flexibility and precision needed for properly controlling boost via the factory ECU. Many upgrades to the turbocharging system (such as larger turbochargers and external wastegates) require the...

GRIMMSPEED / 3-PORT EBC / ELECTRONIC BOOST CONTROL SOLENOID (057007) *** SUBARU WRX STI (2015-2021)

The Original Direct-Fit BCS for turbo Subarus. GrimmSpeed is proud to provide the most complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo Subarus. Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for...