Race Spec 4 Port PWM Boost Control Solenoid

4 port MAC Boost Control Solenoid Valve Kit.  Includes the solenoid, a breather fitting 1/8" npt and 3 barbed fittings for 5/16" silicone hose with 1/8" npt fittings. *** IN STOCK ***  For use in any ECU that can control boost with a PWM output.  The following list of ECUs can do this, but refer to your ECU for compatibility. Hondata S300 Hondata K-Pro Hondata FlashPro 2006-11 Civic Si Hondata FlashPro S2000 Hondata FlashPro 07/08 TSX HTS/eCtune Honda OBD1 ECUs Neptune Demon Motec AEM Haltech Race Spec 4 port boost Solenoid utilizes the top and bottom of your waste-gate diaphragm. It allows you to use a much lower waste-gate spring pressure for better low gear boost control and better high gear, high boost settings. Up to 5x the amount of boost when using a 10 lb waste-gate spring (varies based on turbo system design and engine efficiency) Better control which equals more power More accurate duty cycle control 4 port boost control solenoids are designed for use in high boost applicat