PSR Pierburg 3 Port Electronic Boost Control Solenoid KitNew from PSR is a direct fit 3 Port Boost Solenoid kit featuring the Pierburg Electronic Solenoid. No longer will you need to cable tie the solenoid somewhere in the engine bay. Now you can simply remove the factory solenoid and bracket and replace it with the new PSR kit. A plug and play wiring harness is included to plug into the factory Subaru wiring. Pierburg is one of the biggest names in Europe and have made these 3 port boost solenoids for