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GrimmSpeed Manual Boost Controller 02-17 WRX / 04-17 STI GrimmSpeed Electronic Boost Control Solenoid 3-Port 06-07 WRX / 04-07 STI AEM Tru-Boost Gauge Type Controller 52mm 35 PSI
The next level of boost control. Decrease Spool Time - flows 10% more than the competition.
Displays boost up 35 PSI
TurboSmart e-Boost Street 40 PSI TurboSmart e-Boost2 Black 60mm 60 PSI TurboSmart e-Boost2 Black Silver 60mm 60 PSI
Maximum Boost Level: 40PSI / 2.72BAR Standard 60mm Gauge Housing
Maximum Boost Level: 60PSI / 2.72BAR
Standard 60mm Gauge Housing
Maximum Boost Level: 60PSI / 2.72BAR
TurboSmart e-Boost2 White Silver 60mm 60 PSI TurboSmart e-Boost2 White Black 60mm 60 PSI
Standard 60mm Gauge Housing
Maximum Boost Level: 60PSI / 2.72BAR
Standard 60mm Gauge Housing
Maximum Boost Level: 60PSI / 2.72BAR