COBB Electronic Boost Controller 2015-2021 WRX

Experience precise and consistent boost control in your 2015-2021 WRX with the COBB Electronic Boost Controller. This plug-and-play 18-gauge wiring harness is rated up to 120psi and comes with 1/4" nickel plated barbed fittings and a billet aluminum mount. Custom tuning is required. With the COBB 3-Port Boost Solenoid, you'll enjoy stable and repeatable boost control for any boost level.