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Snow Performance Stage 2 Boost Cooler 2015+ Subaru WRX (Non-STI) Water Injection System

Unlock the full potential of your Subaru WRX with the Snow Performance Stage 2 Boost Cooler water-methanol injection system. This system is engineered to provide a 25-point increase in pump gas octane, allowing for more efficient power production and a cooler running motor.

The Stage 2 system features a progressive VC-50 controller that proportionally injects water-methanol according to boost pressure, ensuring accurate delivery and improved drivability. The system also includes a custom water-methanol injection throttle body spacer plate, braided stainless line, and 4AN fittings for unparalleled reliability and ease of installation.

  • Increases pump gas octane by 25 points
  • Progressive VC-50 controller for accurate water-methanol delivery
  • Custom water-methanol injection throttle body spacer plate
  • Braided stainless line and 4AN fittings for reliability and ease of installation
Make Model Year Type
Subaru WRX STI 2015 Base
Subaru WRX STI 2015 Launch Edition
Subaru WRX STI 2015 Limited
Subaru WRX STI 2016 Base
Subaru WRX STI 2016 Limited
Subaru WRX STI 2016 Series.HyperBlue
Subaru WRX STI 2017 Base
Subaru WRX STI 2017 Limited
Subaru WRX STI 2018 Base
Subaru WRX STI 2018 Limited
Subaru WRX STI 2018 Type RA
Subaru WRX STI 2019 Base
Subaru WRX STI 2019 Limited
Subaru WRX STI 2020 Base
Subaru WRX STI 2020 Limited
As the largest and oldest water-methanol injection company Snow Performance bring experience and insight to all aspects of water-methanol injection. It is their promise and passion to deliver a state of the art water-methanol injection experience to our customers through quality components (Made in the USA), honest marketing, expert technical support for all water-meth users regardless if our system, no questions asked customer service, and offer products that deliver an outstanding value to all Snow Performance customers regardless of location. The vision is for all to benefit with this great technology and give quality injection systems that simple perform.
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