
Grimmspeed
Grimmspeed Electronic Boost Control Solenoid
3-port EBCS upgrade; tune required.
- GD
- GR/GV
- VA
- WRX
- STI
EJ WRX/STI
View on AmazonCategory
23 items. Fitment is general — check the listing for your exact car.
Filter by generation →As an Amazon Associate we earn from qualifying purchases. Fitment notes are general — confirm on the listing before you buy.

Grimmspeed
3-port EBCS upgrade; tune required.
EJ WRX/STI
View on AmazonCobb
3-port solenoid for Accessport tunes.
EJ WRX/STI
View on Amazon
Perrin
Boost control solenoid for FA WRX.
VA/VB WRX
View on Amazon
Grimmspeed
Replacement bypass valve.
EJ WRX/STI
View on AmazonTurbosmart
Kompact BOV/BPV options for WRX/STI.
Gen-specific kits
View on Amazon
Grimmspeed
Larger TMIC core.
GR/GV WRX (EJ255)
View on AmazonMishimoto
Bar-and-plate TMIC.
Gen-specific kits
View on AmazonPerrin
Charge pipe upgrade for the TMIC.
VA WRX
View on AmazonGrimmspeed
Heat shield for the turbo area.
EJ WRX/STI
View on Amazon
Prosport
Electronic boost gauge for pod mounts.
Universal
View on AmazonAEM
Digital boost gauge.
Universal
View on AmazonVarious
A-pillar gauge pod.
Gen-specific
View on AmazonBlouch
Turbo upgrade line for EJ cars; pro tune needed.
EJ WRX/STI
View on AmazonVarious
Braided turbo oil feed line.
EJ WRX/STI
View on AmazonProcess West
Vertical-core top-mount intercooler.
GD and GR/GV; confirm the core
View on Amazon
ETS
Top-mount intercooler.
Gen-specific
View on AmazonTurboXS
Front-mount intercooler kit.
Gen-specific
View on AmazonGFB
Adjustable blow-off valve.
Gen-specific
View on AmazonHKS
Sequential blow-off valve.
Gen-specific
View on AmazonTial
50 mm blow-off valve.
Universal flange; confirm the pipe
View on AmazonPerrin
Recirculating bypass valve.
Gen-specific
View on AmazonInnovate
Air-fuel wideband gauge and sensor.
Universal
View on AmazonAEM
Wideband air-fuel gauge. Different gauge from the AEM boost gauge.
Universal
View on Amazon