| Year | Make | Model |
|---|---|---|
| 2003 - 2014 | Subaru | Impreza |
| 2008 - 2014 | Subaru | Impreza WRX STI GR Sedan |
| 2014 - 2026 | Subaru | WRX |
| 2014 - 2021 | Subaru | WRX STI |
| 2014 - 2021 | Subaru | WRX VA |
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COBB 3-Port Boost Control Solenoid | Subaru WRX/STI (08-21) / Legacy GT/Outback XT (05-09) (715750)
COBB 3-Port Boost Control Solenoid | Subaru WRX/STI (08-21) / Legacy GT/Outback XT (05-09) (715750)
SKU:715750
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$185.00 USD
Regular price
$185.00 USD
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â–¶ Vehicle Fitments
The COBB 3-Port Boost Control Solenoid (BCS) is a precision-engineered component designed to enhance boost control in turbocharged Subaru vehicles. Manufactured by COBB, this solenoid improves the factory ECU’s ability to regulate boost pressure with greater accuracy and stability. It is specifically engineered to address the limitations of the OEM boost control system by eliminating boost fluctuations, which can affect performance and reliability. The solenoid supports a range of turbocharging upgrades, including larger turbochargers and external wastegates, offering increased flexibility, safety, and installation options. Constructed with high-quality materials, the COBB 3-Port BCS ensures durability and consistent performance under demanding conditions.
This boost control solenoid is compatible with Subaru WRX models from 2008 to 2014, STI models from 2008 to 2021, and Legacy GT models from 2005 to 2009. It serves as a direct replacement for the factory solenoid, making installation straightforward and bolt-on. Ideal for street and track applications, the COBB 3-Port BCS is designed to support both daily driving and high-performance tuning setups. By providing precise boost management, it helps optimize power delivery and engine response across a variety of driving conditions and modifications.
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Overview
Overview
COBB Boost Control Solenoid
Fitment: 2008-2014 WRX / 2008-2021 STI / 2005-2009 Legacy GT (LGT)
Part #: 715750
Overview
The COBB 3-Port Boost Control Solenoid (BCS) is a precision-engineered performance drivetrain component designed to enhance boost control in turbocharged Subaru models. It is intended for enthusiasts and tuners who have upgraded their turbocharging systems, including larger turbos or external wastegates, and require more accurate and reliable boost management than the factory ECU can provide on its own. By eliminating the boost fluctuations common with OEM systems, this solenoid helps maintain stable and consistent boost pressure, supporting improved drivability and turbo response.
Ideal for those seeking to optimize their vehicle’s turbo system, the COBB 3-Port BCS offers increased flexibility and safety in boost control, making it a critical upgrade for serious performance builds.
Key Features
This boost control solenoid delivers precise boost regulation through a robust design and thoughtful engineering, featuring:
- 3-port design for enhanced control and compatibility with various turbo setups
- Improved reliability over OEM solenoids under high-performance conditions
- Supports stable boost pressure to reduce fluctuations and improve turbo response
- Designed to integrate seamlessly with factory ECU boost control strategies
- Compatible with a wide range of Subaru turbocharged models as specified
- Enables safer boost management when using larger or external wastegate turbo systems
Installation & Fitment
The COBB 3-Port Boost Control Solenoid is designed as a direct replacement for the factory unit on compatible Subaru models. Installation typically involves straightforward bolt-on procedures, but fitment should be verified against your vehicle’s specific year and model to ensure compatibility. This solenoid works in conjunction with the factory ECU and tuning software to provide enhanced boost control without requiring extensive modifications.
