The COBB boost solenoid for 2015–2021 Subaru WRX NexGen is a direct replacement component from COBB's Stage 2 power package. Intended for turbocharged WRX applications, it helps manage boost control signals as part of an aftermarket tune or boost-control setup. The unit pairs with other Stage 2 components and is offered to integrate cleanly into the factory boost control system.
Cobb 15-21 Subaru WRX NexGen Stage 2 Power Package w/SF Intake - Silver