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

Unlock the full potential of your Subaru WRX with the Snow Performance Stage 2 Boost Cooler water-methanol injection system. Engineered specifically for forced induction applications, this system increases pump gas octane by 25 points, making more power efficiently with a cooler running motor.

The Stage 2 system features a progressive VC-50 controller that proportionally injects more or less according to boost pressure, ensuring accurate delivery of water-methanol for improved cooling and performance.

  • Custom water-methanol injection throttle body spacer plate
  • Braided stainless line and 4AN fittings for unsurpassed reliability and ease of install
  • 7-color OLED screen displaying boost, percentage of injection, low level, secondary nozzle activation, prime button, and 2 fault codes
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 2019 S209
Subaru WRX STI 2020 Base
Subaru WRX STI 2020 Limited
Subaru WRX STI 2021 Base
Subaru WRX STI 2021 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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