GrimmSpeed Electronic Boost Control Solenoid 3-Port WRX/STi 2004-2007 (057002)



GrimmSpeed is proud to provide the most complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo Subarus. Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high resolution boost control, providing your tuner with the hardware he needs to safely tune your car with rock solid boost levels. Using our solenoid, you are able to spool your turbo quicker and maintain tight control of boost levels throughout your power curve. In addition, our solenoid features a balanced valve to withstand up to 120psi without a slowing response by even a single millisecond. 

Decrease Spool Time - flows 10% more than the competition 
Plug and Play into OEM Harness - no splicing wires like other BCS solutions

Works Safely with Factory Subaru ECU - custom coil to match ECU voltage
Nickel Plated Fittings - not the easily breakable plastic fittings!
15min Installation - extremely simple with our written and video guides

Revolutionizing the Subaru boost solenoid market, we have created model specific install brackets that allow you to install our Boost Control Solenoid with a factory fit and finish. To top it all off, our solenoid also uses a Subaru wiring harness connector so that you can simply unplug your OEM solenoid and plug ours in. No more cutting and crimping OEM wires together!


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