GrimmSpeed 3-Port Electronic Boost Control Solenoid, Universal
The GrimmSpeed 3-Port Electronic Boost Control Solenoid is a universal-fit valve for ECU-based boost control on any turbocharged application. Controls boost pressure by modulating the wastegate actuator signal, more precise than a manual controller and enables boost-by-gear strategies with a suitable ECU.
DETAILS
- 3-port electronic boost control solenoid
- Universal fitment
- Compatible with ECU-based boost control
- Supports boost-by-gear with suitable ECU
Electronic boost control solenoids operate by pulse-width modulation, the ECU sends a varying duty cycle that opens and closes the solenoid to control how much pressure reaches the wastegate actuator. The GrimmSpeed solenoid has the correct flow characteristics and response speed for this type of control on any turbocharged application.
Universal fitment allows use in custom boost control configurations on any turbo platform. Verify port size and thread specifications match your application before ordering.
What’s in the Box
- GrimmSpeed 3-port boost solenoid
Why Choose GrimmSpeed
GrimmSpeed has been engineering performance parts for Subaru platforms from their Portland, Oregon facility since 2003. Everything they make is designed around real-world use, their engineers drive the same cars their customers drive, which means product decisions are made with genuine platform knowledge behind them. GrimmSpeed designs parts in-house, sources quality materials, and validates fitment on the actual application before release. The result is parts that install correctly the first time, perform as advertised, and hold up under the conditions Subaru owners actually subject their cars to. Whether it is a critical engine component or a cosmetic upgrade, the same attention to detail and fit quality applies across the catalog.
The RallySport Take
The GrimmSpeed 3-port boost solenoid is the correct valve for any ECU-based boost control system or as a direct OEM replacement on compatible platforms. Universal fitment for 3-port boost control solenoid applications.
Fitment
| Year | Make | Model | Notes |
|---|---|---|---|
| Universal | , | , |





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