Outfront Motorsports Subaru Performance On-Road and Off-Road Parts Store

Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high resolution boost control

Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high-resolution boost control

Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high-resolution boost control

Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high-resolution boost control

The 3-port systems works by interrupting the boost signal traveling from the turbo to the wastegate. That boost is redirected back into the turbo inlet and re-ingested by the turbo using our machined adapter.

Winner of the Global Press Award at the 2007 SEMA Trade Show, e-Boost2 allows the user to control, monitor, map and compensate boost.

Winner of the Global Press Award at the 2007 SEMA Trade Show, e-Boost2 allows the user to control, monitor, map and compensate boost.

Winner of the Global Press Award at the 2007 SEMA Trade Show, e-Boost2 allows the user to control, monitor, map and compensate boost.

Winner of the Global Press Award at the 2007 SEMA Trade Show, e-Boost2 allows the user to control, monitor, map and compensate boost.