Cobb Subaru 3-Port Boost Control Solenoid (BCS) - 2015-2021 Subaru WRX Phone Flash lightweight upgrade

lightweight upgrade

Improved high-speed stability and cornering grip

Eventuri has carried out extensive R&D and invested significant funds into their own unique filter design

If you have a BRZ with the performance package check here

Cobb Subaru 3-Port Boost Control Solenoid (BCS) - 2015-2021 Subaru WRX Phone Flash lightweight upgradeTUNING REQUIRED!! Supported in select COBB Off The Shelf Maps or contact your preferred Protuner for custom tuning. The COBB 3 Port Boost Solenoid (BCS) is an excellent upgrade for modern turbocharged vehicles, enabling precise boost control in a tidy package that is easy to install and tune. Our BCS will eliminate boost fluctuations inherent in the OEM boost control system, providing stable and repeatable boost control to base the vehicle's tune on.