Upgrade your 2008-2021 Subaru WRX STI’s turbo system with the Company23 Standard Boost Control Solenoid, engineered to enhance boost response and precision. This premium 3-port solenoid replaces the OEM 2-port unit, delivering smoother and more consistent boost control for improved performance whether on the street or track.

Built for durability and easy installation, the solenoid features OEM-style mounting brackets and an electrical connector for seamless plug-and-play setup. It includes 6mm (1/4”) hose fittings and a robust MAC solenoid with a high vibration coil and viton seals, ensuring reliable operation under demanding conditions. This quality component is designed specifically for Subaru enthusiasts seeking a reliable upgrade to their forced induction system.

Ideal for WRX STI owners focused on tuning and performance gains, the Company23 solenoid offers a perfect balance of value and functionality. Trust Subimods for specialized Subaru parts that deliver lasting results. Optimize your boost control today and experience enhanced turbo efficiency with confidence.