AEM 52mm Boost Gauge Digital Displays -30 to 35 psi WRX & STi / Universal | 30-4406 Vehicle Model_ Lancer Evolution 9 This lining features excellent drivability

This lining features excellent drivability like the Stage 1

2008-2021 Subaru WRX

Go Fast Bits in-house testing facilities have measured a return to peak boost up to 30% faster between shifts than most factory systems

ACT's SB9-HDG4 kit features a sprung

KSP-CSB090-GT

AEM 52mm Boost Gauge Digital Displays -30 to 35 psi WRX & STi / Universal | 30-4406 Vehicle Model_ Lancer Evolution 9 This lining features excellent drivabilityAEM's digital display gauges feature a standard 52mm gauge housing that fits in most gauge pods and can be remotely mounted virtually anywhere. Each gauge includes interchangeable silver and black bezels & black and white faceplates to personalize the look of your gauge; it's like having four designs in one! Each gauge includes 24 color coded LED lights that change from green to yellow to red for immediate reference to the measured parameter as well