The COBB 3-port boost control solenoid is a direct-fit replacement for 2008–2012 Mitsubishi EVO X and specified Ralliart models, supplying the boost control function used in the turbo management system. It is intended for service replacement to restore proper boost regulation and turbo response on supported EVO X and Ralliart applications without modifying factory control plumbing.
Cobb 08-12 Mitsubishi EVO X / 09-12 Ralliart 3-Port Boost Control Solenoid