Quick view GrimmSpeed Grimmspeed Electronic Boost Control Solenoid 3-Port - 08-16 Subaru Impreza STI Grimmspeed Electronic Boost Control Solenoid 3-Port - 08-16 Subaru Impreza STI 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... R1,956.47 Add to Cart