The COBB Tuning 3-Port Boost Control Solenoid (BCS) is a top - notch upgrade for your 2002 - 2007 Subaru WRX, 2004 - 2007 Subaru STI, and 2004 - 2008 Subaru Forester XT. It offers accurate and consistent boost control, eliminating the boost fluctuations of the OEM system. Whether you're running at stock boost or high - power levels, this BCS provides stable and repeatable performance.
It comes with a plug - and - play 18 - gauge wiring harness for easy connection. The 1/8' nickel - plated barbed fittings are low - profile, keeping the unit compact and corrosion - resistant. Optional 1/4' nickel - plated fittings are available separately. Viton spools and seals ensure long life, lubricated with Dow Corning silicone grease.
The BCS is waterproof, with an O - ring sealed manual override, a waterproof grommet for the wiring harness, and ultrasonically welded solenoid wires. It's rated up to 120psi.
Installation is a breeze. It mounts in the stock location and plugs directly into the stock wiring harness. You'll get a custom aluminum mounting bracket, stainless steel hardware, a boost - line, and zip - ties. The included installation instructions are easy to understand, covering both internal and external wastegate configurations. Take control of your boost and unlock the potential of your turbocharged Subaru now!
Using the COBB Tuning 3 - Port Boost Control Solenoid is straightforward. First, find the stock location for mounting. Then, use the provided custom aluminum mounting bracket and stainless steel hardware to securely place the BCS. Connect the boost - line and use the zip - ties to neatly route it through the engine bay. Plug the 18 - gauge wiring harness directly into the stock wiring harness as instructed.
When using, keep in mind that the BCS is rated up to 120psi. Don't exceed this limit to ensure safety and proper performance. Also, avoid getting the unit wet with anything other than normal car washes, as it's designed to be waterproof under normal conditions.
For maintenance, periodically check the Viton spools and seals. If you notice any signs of wear, consider replacing them. The nickel - plated fittings should be inspected for corrosion, especially if your car is often in a harsh environment. Overall, following the installation instructions and these basic guidelines will help you get the most out of your COBB Tuning 3 - Port Boost Control Solenoid.
