SKU: 910010042

GrimmSpeed Boost Control Solenoid - Subaru 06-07 WRX/04-07 STi (057002)

Sale price$126.00 Regular price$140.00
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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16

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Description

GrimmSpeed Boost Control Solenoid - Subaru 06-07 WRX/04-07 STi (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

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.

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.

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.

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.

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!
  • 15min Installation - extremely simple with our written and video guides

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 910010042

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Bit-o-Whimsy
Louisville, US
★★★★★ 5
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Color: Blue, Color: Blue
I've been using the Jelly Star about a week now and have no regrets about my purchase. I have the blue color and it's really pretty. This phone is as good as the reviews I researched said it was. Very fast, has all features of a regular smart phone but easy to hold in one hand and carry in pocket. This phone is 3/4" thick with a screen 2.75" x 1.5" and comes with a protective case. Good connection with T-Mobile cell towers, nice variety of ring tones, decent camera for snapshots. When it first arrived I was hesitant to commit, worried that with the tiny print I would struggle, but now that I got it connected I'm really happy with it. I'm old enough that without reading glasses, I need to squint to see the print in text messages, but it has a zoom feature that works well once you get used to it, and I plan to use other devices for viewing the images I take with it. Bought it mainly to have as a basic communication device that isn't bulky/in the way all the time. Don't have to constantly charge the battery either. Only using the phone for calls, texts, and WhatsApp; so far only need to charge it every 3 days. I took the time to research online how to stop apps from running in the background which should also help conserve the battery. I'm looking forward to loading music on it and maybe even taking it for a run once I get the headphones and armband accessories. I recommend it.
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Reviewed in the United States on May 4, 2026
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Emily
Lexington, US
★★★★★ 1
Screen Stopped Working Amazon Denied Refund
Color: Black
I bought this phone 2 months ago and within a week the screen stopped working. It stopped responding to any touch. I sent it back to Amazon in its original physical condition in its original packaging and ordered a second one. The second one has battery issues where it randomly starts heating up and dies within a couple of hours. Just found out amazon denied my return because they said the phone was damaged. It was not. I love the idea of the phone but the execution is poor and because there's no reliable way to get replacements I definitely would not recommend risking it.
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Reviewed in the United States on May 28, 2026
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Alex Perry
Draper, US
★★★★★ 5
Works on Visible (Verizon)
Color: Black
For the price, this little device offers no compromises aside from the obvious. It's quick, offers a full day of battery life, and has a feature set to rival much more expensive competition. The screen despite it's size is fully usable for my every day tasks. Texting, web browsing, reading comics, etc are all viable if you have the eyes for it. The build quality is great. This reminds me of an old Nokia in the hand. I've also had no signal problems in rural Appalachia. And yes, it *does* work on Verizon, but you'll need another phone to activate the sim with before transferring it over.
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Reviewed in the United States on March 11, 2026
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Eugene Cannon
Port Orchard, US
★★★★★ 5
The phone work is compatible with MetroPCS by T-Mobile or Verizon
Color: Black
It seems to be a very good quality the compatibility is just like a larger phone and it seems to be durable and compatible the size it's all right yes I would recommend other people use it or buy it because it's really not an inconvenient item
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Reviewed in the United States on April 15, 2026
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Amazon Customer
Phoenix, US
★★★★★ 5
Cut your screen time without sacrificing convenience
Color: Blue
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Reviewed in the United States on January 12, 2026

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