3-Port Boost Control Solenoid (714750) - 2015-2021 Subaru WRX
TUNING REQUIRED!! Please ensure you have the appropriate Off The Shelf Map or custom tuning from your Protuner to safely utilize this part. Achieve precise, stable, and repeatable boost control with the COBB 3-Port Boost Control Solenoid (BCS). Designed to eliminate fluctuations inherent in the OEM system, this BCS is reliable at both stock and high-boost, big-power levels. It features a fully waterproof design with nickel-coated 1/4" barb fittings and Viton seals for exceptional longevity. The unit mounts in the stock location and plugs directly into the factory wiring harness using the included billet aluminum mounting block and stainless steel hardware.
Note: Will not fit some northern vehicles equipped with a Subaru OEM cast aluminum turbo inlet.
Emissions Note: This part is 50-state legal for sale and use on emission-controlled vehicles under CARB EO D-660-261.
Features
- Accurate and consistent boost control
- Plug-and-play 18-gauge wiring harness
- Nickel-plated 1/4" barbed fittings
- Rated for operation up to 120psi
- Includes billet aluminum mount, stainless steel hardware, and boost-line
Fitment
- 2015 Subaru WRX Sedan CVT USDM
- 2015 Subaru WRX Sedan MT ADM
- 2015 Subaru WRX Sedan MT USDM
- 2016 Subaru WRX Sedan CVT USDM
- 2016 Subaru WRX Sedan MT ADM
- 2016 Subaru WRX Sedan MT USDM
- 2017 Subaru WRX Sedan CVT USDM
- 2017 Subaru WRX Sedan MT ADM
- 2017 Subaru WRX Sedan MT USDM
- 2018 Subaru WRX Sedan CVT USDM
- 2018 Subaru WRX Sedan MT ADM
- 2018 Subaru WRX Sedan MT USDM
- 2019 Subaru WRX Sedan CVT USDM
- 2019 Subaru WRX Sedan MT ADM
- 2019 Subaru WRX Sedan MT USDM
- 2020 Subaru WRX Sedan CVT USDM
- 2020 Subaru WRX Sedan MT ADM
- 2020 Subaru WRX Sedan MT USDM
- 2021 Subaru WRX Sedan CVT USDM
- 2021 Subaru WRX Sedan MT ADM
- 2021 Subaru WRX Sedan MT USDM
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

