The COBB Tuning 3-Port Boost Control Solenoid is a top - notch upgrade for your turbocharged Subaru. It fits various models including the 2008 - 2021 STI, 2008 - 2014 WRX, 2005 - 2009 Legacy GT, 2005 - 2009 Outback XT, and 2009 - 2013 Forester XT.
This solenoid offers accurate and consistent boost control. With a plug - and - play 18 - gauge wiring harness, installation is a breeze. It comes with 1/8' nickel - plated barbed fittings for corrosion resistance, and optional 1/4' nickel - plated fittings are available. The solenoid is rated up to 120psi and features a custom aluminum BCS mount.
The COBB 3 - Port BCS eliminates boost fluctuations from the OEM system, providing stable boost control at both stock and high boost levels. It's compact, thanks to low - profile barb fittings, and is waterproof for safe cleaning. COBB Tuning has made installation simple, with it mounting in the stock location and plugging into the stock wiring harness. It includes a custom aluminum bracket, stainless - steel hardware, boost - line, and zip - ties. Installation instructions are easy to follow.
Take control of your boost and unlock your Subaru's potential today!

Using the COBB Tuning 3 - Port Boost Control Solenoid is straightforward. First, find the stock location for mounting and use the provided custom aluminum bracket and stainless - steel hardware to secure it. Connect the solenoid to the stock wiring harness using the plug - and - play 18 - gauge wiring harness. Then, use the included boost - line to complete all the necessary connections and neatly route it with the zip - ties.
When it comes to tuning, remember that this solenoid requires tuning. You can work with a professional tuner or follow the provided tuning guidelines to get the best performance.
For maintenance, since the solenoid is waterproof, you can safely wash it. However, avoid using harsh chemicals that could damage the nickel - plated fittings or the other components. Check the fittings regularly for any signs of corrosion or wear. If you notice any boost control issues, first check the wiring connections and the boost - line for any blockages or leaks. Overall, with proper use and maintenance, this solenoid will provide consistent performance for a long time.