The COBB 3-port boost control solenoid is a direct-fit replacement for select 2004–2007 Subaru WRX, STI and FXT turbocharged models listed, providing a serviceable control module for electronic boost management. It offers the same porting configuration used in many OEM turbo control systems. Use this solenoid when replacing a failed boost control unit or restoring proper turbo control response on supported Subaru applications.
Cobb 04-07 Subaru STI / 02-07 WRX / 04-08 FXT 3-Port Boost Control Solenoid