GrimmSpeed Boost Solenoid WRX (2008-2014) Speedwell Wheels Allows ECU to remain in

Allows ECU to remain in control of boost

We've seen other brands have the coating crack and rust making them look really bad

Although many gasolines advertise injector cleanliness

The Rear Member Power Braces from Cusco stiffen rear end of the chassis by bolting in the rear end of the EVO X

Piping Diameter: 2

GrimmSpeed Boost Solenoid WRX (2008-2014) Speedwell Wheels Allows ECU to remain inGrimmSpeed introduces the most complete and easy to use 3 Port Electronic Boost Solenoid available on the Subaru market. This solenoid allows you to tune your OEM boost levels in a quick and efficient manner through your factory ECU. The stock boost control solenoid works fine at stock boost levels, but at elevated boost pressures will become extremely unstable and unpredictable, causing a potentially unsafe boost curve. The GrimmSpeed solenoid is