Subaru Wrx STI 2008 - 2020 Electronic MAC 3-Port Boost Control Solenoid Kit
Alien Speed Parts 3-Port Boost Control Kit – Subaru STI 2008–2020
Unlock serious performance gains with the Alien Speed Parts Boost Control Kit, designed specifically for Subaru Impreza STI models from 2008 to 2020. Engineered to work with your factory ECU (requires tuning), this kit delivers faster boost response, higher boost pressure, and more power – all without the need for cutting, splicing, or soldering.
Plug it in, bolt it down, and start tuning.
Kit Includes:
✅ MAC 3-Port Boost Solenoid
✅ Mounting Bracket
✅ OEM Subaru Plug Connector + Pins
✅ Brass Fittings for Easy Setup
Installation is fully reversible — perfect for those planning to return their car to stock later.
Why pay hundreds more?
This kit delivers the same performance as high-dollar alternatives, without the inflated price tag.
🔧 Bracket & Plug Compatible With:
• 2008–2014 Subaru Impreza STI
• 2015+ Subaru Impreza STI
Boost smarter — Add to Cart Now and take control of your power!
