GrimmSpeed Boost Control Solenoid for Subaru Models
The GrimmSpeed 3-port electronic boost control solenoid (EBCS) for Subaru WRX, STi and Legacy GT models will allow for extremely high resolution boost control, providing your tuner with the hardware they need to safely tune your car with rock solid boost levels. You'll be able to spool your turbo quicker and maintain tight control of boost levels throughout your power curve. In addition, this solenoid features a balanced valve to withstand up to 120psi without a slowing response by even a single millisecond.
Fitment Notes:
• Tuning is required
• Not for sale or use in California
• PDF Install Guide
Features:
• 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!
• 15 Minute Install - extremely simple with the written and video guides
More from GrimmSpeed:
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!
The solenoid itself is one of a kind. MAC manufactures pneumatic control products for the largest commercial operations in the world, where every minute of downtime can cost tens of thousands of dollars, so we worked closely with their engineers to design this unique valve, incorporating proprietary features, exclusive to GrimmSpeed, that make our solenoid the toughest on the market. Those features include special seals to protect it from moisture and high temp coils to keep response times at 6 milliseconds or less, even in extreme heat. We have worked with many of the top tuners in the country to ensure that our solenoid works safely with the factory Subaru ECU.
Materials:
Our special solenoid features, combined with our factory-fit brackets, ensure that this complete boost control solution will withstand the harsh heat and vibration of your engine bay. The Subaru harness connectors that we use include weatherproof terminal seals, carefully crimped with DELPHI equipment by our expert assembly staff. Mounting brackets are laser cut and then black zinc plated to ensure corrosion resistance. Each bracket has threaded PEM nuts pressed in for a solid connection with no risk of stripping threads. Each low profile 1/8" NPT nickel plated fitting is installed in the proper orientation using a 120psi thread sealant for a clean, compact, robust installation.
Trust Your Tuner:
You don't need to take our word for it, trust your tuner. When it comes to boost control systems, be sure to consult with your tuner to ensure that you're building a setup that they're confident tuning. The good news is that with well over 25,000 units in use on some of the fastest Subarus in the world, with the GrimmSpeed Boost Control Solenoid, you'll be in great company. As with any change to your boost control system, upgrading to a 3-port solenoid does require tuning.
"The GS 3-port BCS provides rapid boost response while maintaining the ability to make acute adjustments via turbo dynamics. While many other boost control solenoids react to adjustments too fast which can make them difficult to control with as much finesse as the stock bleed system. This solenoid can make micro-adjustments at the edge of target boost not only providing better spool, but overall more control." - AWD Tuning
"The GrimmSpeed BCS is a compact, well designed unit. Its design as a 3-port solenoid provides better boost control then the stock bleed-type style. Often, this enables a tuner to cut mapped wastegate duty cycles in half. This change in WGDC gives a tuner more granularity when tuning, and can yield much improved boost curves. In addition, the 3-port design often significantly improves spool." - Bullwinkle Tuning
Fitment Notes:
• Tuning is required
• Not for sale or use in California
• PDF Install Guide
| Vehicle Fitment: | Part Number: |
| 2002-2005 Subaru WRX | 057001 |
| 2006-2007 Subaru WRX 2004-2007 Subaru STi |
057002 |
| 2008-2014 Subaru WRX 2005-2009 Subaru Legacy GT |
057032 |
| 2008-2021 Subaru STi | 057007 |
| 2015-2021 Subaru WRX | 057041 |
• 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!
• 15 Minute Install - extremely simple with the written and video guides
More from GrimmSpeed:
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!
The solenoid itself is one of a kind. MAC manufactures pneumatic control products for the largest commercial operations in the world, where every minute of downtime can cost tens of thousands of dollars, so we worked closely with their engineers to design this unique valve, incorporating proprietary features, exclusive to GrimmSpeed, that make our solenoid the toughest on the market. Those features include special seals to protect it from moisture and high temp coils to keep response times at 6 milliseconds or less, even in extreme heat. We have worked with many of the top tuners in the country to ensure that our solenoid works safely with the factory Subaru ECU.
Materials:
Our special solenoid features, combined with our factory-fit brackets, ensure that this complete boost control solution will withstand the harsh heat and vibration of your engine bay. The Subaru harness connectors that we use include weatherproof terminal seals, carefully crimped with DELPHI equipment by our expert assembly staff. Mounting brackets are laser cut and then black zinc plated to ensure corrosion resistance. Each bracket has threaded PEM nuts pressed in for a solid connection with no risk of stripping threads. Each low profile 1/8" NPT nickel plated fitting is installed in the proper orientation using a 120psi thread sealant for a clean, compact, robust installation.
Trust Your Tuner:
You don't need to take our word for it, trust your tuner. When it comes to boost control systems, be sure to consult with your tuner to ensure that you're building a setup that they're confident tuning. The good news is that with well over 25,000 units in use on some of the fastest Subarus in the world, with the GrimmSpeed Boost Control Solenoid, you'll be in great company. As with any change to your boost control system, upgrading to a 3-port solenoid does require tuning.
"The GS 3-port BCS provides rapid boost response while maintaining the ability to make acute adjustments via turbo dynamics. While many other boost control solenoids react to adjustments too fast which can make them difficult to control with as much finesse as the stock bleed system. This solenoid can make micro-adjustments at the edge of target boost not only providing better spool, but overall more control." - AWD Tuning
"The GrimmSpeed BCS is a compact, well designed unit. Its design as a 3-port solenoid provides better boost control then the stock bleed-type style. Often, this enables a tuner to cut mapped wastegate duty cycles in half. This change in WGDC gives a tuner more granularity when tuning, and can yield much improved boost curves. In addition, the 3-port design often significantly improves spool." - Bullwinkle Tuning
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