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GrimmSpeed Boost Control Solenoid
Subaru STI 2008+
Features & Product Details
RallySport Direct proudly carries a great selection of quality performance upgrades by our friends over at GrimmSpeed.
This is the GrimSpeed Electronic Boost Control Solenoid. This is one of GrimmSpeed's most utilized upgrades due to the durability, simplicity of use, and the performance it delivers. This is a must-have for those of you who are getting your vehicle fine-tuned outside of the capacities of the factory 2-port boost control unit. The 3-port system works by interrupting the boost signal that travels from the turbocharger to the wastegate. The factory system will 'bleed' the signal between the turbocharger and the wastegate which will create a system that reacts slowly, and with less precision. The GrimmSpeed BCS will provide a much tighter boost control and consistency that makes life easier for the tuner as the boost control will be more prompt and precise.
DETAILS:
Product Video
Specifications
PEOPLE WHO VIEWED THIS ITEM ALSO VIEWED
REVIEWS & CUSTOMER MEDIA
Solnoid arrived within 3 day. The 3port works wonders. Feel and see boost being more consistent. Install was only 15min
Install was easy. Did this while installing my GS uppipe with ewg. PORT 1 goes to inlet PORT 2 goes to bottom port of ewg PORT 3 goes to turbo
Easy installation and works great
Make sure the hoses are nicely secured.
I just read the info out there posted by mechanics and tuners. I wanted to get the most out of my dyno tune. I could not go forward without proper boost control. I verified that the shop tie-strapped the hoses to prevent disaster.
QUESTIONS & ANSWERS
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Q: Fitment CarlosG1 year ago
Anyone know the sizing of the hose? & length?
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A: The hose in the kit is 5/32 I.D or 4mm. As for the length, I'm not exactly sure, but they give you MORE than enough to do the whole install with some left over. If you need additional vacuum hose, I've been a fan of the Turbosmart silicone hoses, and this is their 4mm kit: https://www.rallysportdirect.com/part/vacuum-lines/tbs-ts-hv0403-bk-turbosmart-silicone-vacuum-hose-4mm-x-3m-black Thanks!
Rick C. @ RallySport Direct 1 year agoWas this answer helpful?
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Q: 2018 Sti subie doo3 years ago
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A: This is confirmed for a 2008+ and will work for your 2018 STI.
Devan M. @ RallySport Direct 3 years agoWas this answer helpful?
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Q: Hose daniel.lheman370933 years ago
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A: This will be a plug and play for a stock set up.
Luis L. @ RallySport Direct 3 years agoWas this answer helpful?
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Q: Ebcs grimmspeed Nitsud264 years ago
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A: Custom tuning would be required and wont work with the Cobb off the shelf map.
Evan M. @ RallySport Direct 4 years agoWas this answer helpful?
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Q: Exact benefits of this EBCS? godmodeon6 years ago
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A: Upgrading your EBCS will increase all around boost control, and in some cases you will see quicker spool. This is not a Plug and Play, and your car will need to be tuned immediately after the install or at the tuner's shop.
Brady R. @ RallySport Direct 6 years agoWas this answer helpful?
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