Snow Performance Diesel Stage 2 Boost Cooler

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Snow Performance is the innovation pioneer in water-methanol injection kits for diesels. Their Stage 2.5 Boost Cooler systems inject just the right amount of water-methanol into your intake stream by increasing or decreasing spray volume based on boost pressure. The Stage 2 utilizes a progressive VC-50 controller (52mm gauge) that commands two water-methanol nozzles that proportionally inject more or less according to boost pressure. Start and full points are adjustable for engagement and delivery curve to match what the engine requires. Proportionally injecting according to boost pressure gives an accurate delivery of water-methanol and allows cooling and performance improvements over a wide range for improved drivability. The VC-50 controller (52mm gauge) offers the functionality of a boost gauge and water-methanol controller all in one! Highlighting a 7 color (Blue, White, Red,Yellow, Orange, Purple, Green) OLED screen displaying boost, percentage of injection, secondary nozzle activation, prime button, and 4 fault codes directly on the screen you can tailor the controller to match your OEM gauges or mix and match up to two colors.

Key Features

  • Made In USA
  • 7 Gallon Tank Included
  • Adds up to 65 Extra Horsepower
  • Increased Fuel Economy
  • Reduces Exhaust Gas Temperatures by 100-300 Degrees
  • Increases of up to 65 Horsepower
  • 50-State Legal (C.A.R.B E.0.# D-723)
  • 4 Fault Modes (Clogged Line / Broken Line / Pump / Solenoid)
  • Cleans Engine Combustion Of Carbon Build Up
  • Reduced Emissions for Improved Reliability


Methanol has an ignition temperature 80 degrees hotter than fuel. This means that methanol doesn’t pre-ignite your fuel, and importantly doesn’t change timing. A typical 3/4 or 1 ton pickup truck with a 7 gallon reservoir of fluid will go approximately 500 miles towing a heavy load and 1000 miles empty before needing to refill the tank. If you run out of fluid, in a pinch you can always just substitute plain old tap water and still reduce your EGT’s. If you don’t have a source for methanol and you won’t be using Snow’s proprietary Boost Juice, we recommend you use blue windshield washer fluid, -20 degrees Fahrenheit, with no added glycol. This can be found across North America in most auto parts stores or even at Walmart.

Installation Instructions

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Have a question? 1-801-938-4891