The COBB Tuning 3-Port Boost Control Solenoid is a top - notch upgrade for your 2002 - 2007 Subaru WRX, 2004 - 2007 Subaru STI, or 2004 - 2008 Subaru Forester XT. It offers accurate and consistent boost control, eliminating the boost fluctuations of the OEM system. With a plug - and - play 18 - gauge wiring harness, installation is a breeze. The 1/8' nickel - plated barbed fittings are corrosion - resistant and keep the unit compact. Optional 1/4' nickel - plated fittings are available separately. It's rated up to 120psi and can handle both stock and high - boost levels. The custom aluminum BCS mount, along with stainless steel hardware and a boost - line, makes the physical install and electrical connection straightforward. Viton spools and seals ensure long life, and the device is waterproof. Installation instructions are easy to follow, covering both internal and external wastegate configurations. Take control of your boost and unlock your turbocharged Subaru's potential today!

Using the COBB Tuning 3 - Port Boost Control Solenoid is easy. First, find the stock location for mounting and use the provided custom aluminum mounting bracket and stainless steel hardware to secure it. Then, connect the boost - line and use the zip - ties to route it neatly through the engine bay. Plug the 18 - gauge wiring harness directly into the stock wiring harness. When using, make sure to check the pressure regularly to ensure it's within the 120psi rating. Avoid exposing the solenoid to extremely harsh environments. For maintenance, keep it clean and dry. If you notice any signs of damage to the Viton spools, seals, or wiring, replace them promptly. Follow the installation instructions carefully for any internal or external wastegate configurations to ensure optimal performance.