TurboXS Electronic Boost Control Solenoid EBCS Subaru 2015-2021 WRX

The W15-BCS (TurboXS Boost Control Solenoid) is a high-performance 3-port electronic upgrade engineered specifically for 2015–2021 Subaru WRXs with the FA20 engine. It replaces the restrictive factory 2-port solenoid, allowing your engine tuner to safely extract more horsepower with precise, rock-solid boost regulation.

Features:
- 3-Port Configuration: Upgrades the factory 2-port system for quicker boost response and improved management of pressure under varying loads.
- Essential for Upgrades: Required for precise tuning on vehicles equipped with aftermarket downpipes, upgraded turbochargers, or custom engine maps.
- Prevent Overboost: Accurately controls boost levels to prevent dangerous overboost situations that can damage your engine.
- Hardware: Typically includes an aluminum mounting bracket and a plug-and-play wiring harness for easy installation

Applications:
2015-2021 Subaru WRX