GrimmSpeed 3-Port Electronic Boost Control Solenoid WRX / STI / FXT | 057002
Video description
Take control of your boost with the GrimmSpeed 3-Port Electronic Boost Control Solenoid (EBCS) for the 2004-2007 Subaru STI, 2006-2007 Subaru WRX, and 2004-2008 Subaru Forester XT. Designed as a direct plug-and-play upgrade over the factory 2-port boost control solenoid, the GrimmSpeed EBCS delivers faster turbo spool, tighter boost regulation, and the precision your tuner needs to maximize performance safely.
Featuring a balanced valve capable of handling up to 120 PSI, this EBCS provides lightning-fast response and rock-solid boost control, making it a favorite among Subaru enthusiasts and professional tuners alike.
Fitment:
Subaru STI (2004-2007)
Subaru WRX (2006-2007)
Subaru Forester XT (2004-2008)
Features
- 3-port electronic boost control solenoid
- Flows approximately 10% more than competing designs
- Balanced valve rated for up to 120 PSI
- Plug-and-play connection to the OEM wiring harness
- No cutting or splicing required
- Vehicle-specific mounting bracket included
- Nickel-plated fittings included
- Compatible with the factory Subaru ECU
- Direct bolt-on installation













