Take control of your boost with the COBB 3-Port EBCS—the ultimate upgrade for your 2015-2021 Subaru WRX! The factory boost control solenoid is a major performance bottleneck, especially when paired with common mods like a J-Pipe or an intake. The COBB BCS is engineered to replace the restrictive OEM unit, eliminating boost fluctuations and providing the accurate, stable, and repeatable boost control that is essential for a high-performance tune.

Why choose the COBB 3-Port EBCS from Straight Six Import?

• Precision Performance: Achieve consistent and higher boost targets, improving overall power delivery and responsiveness. This is a critical mod for any tuned Subaru WRX (2015-2021), whether you're running stock turbo or a high-power build.

• Essential for Tuning: Our EBCS is the foundation for a proper ProTUNE or custom tuning with your COBB Accessport. It provides your ECU with the flexibility and precision needed to safely maximize power gains. (Note: Custom tuning is REQUIRED for safe operation.)
• Simple, Plug-and-Play Installation: Engineered for the WRX platform, this unit mounts in the stock location and includes a plug-and-play 18-gauge wiring harness, a billet aluminum mount, and all necessary boost-line and hardware for a straightforward install.
• Built for Durability: Constructed with nickel-coated 1/4" barb fittings, Viton spools/seals, and a waterproof design, the COBB EBCS is rated up to 120psi for exceptional longevity and reliability in any condition.

Straight Six Import is your trusted source for COBB performance parts and Subaru WRX upgrades. Stop fighting inconsistent power—upgrade to the COBB 3-Port Boost Control Solenoid and Access the Potential of your turbocharged FA20 WRX today!