Snow Performance 05-14 STI Stg 2 Boost Cooler Water Inj. Kit (SS Braided Line/4AN Fittings) w/o Tank

This Stage 2 Boost Cooler water-methanol injection kit from Snow Performance is designed specifically for your 2005-2014 Subaru WRX STI with the 2.5L engine. What you get in this kit is a custom water-methanol injection throttle body spacer plate, a length of braided stainless steel line, and 4AN fittings. It's designed to increase your pump gas octane by up to 25 points, which helps your engine run cooler and allows you to make more power efficiently.

The heart of this system is the VC-50 progressive controller, which is manufactured to ISO 9001 standards. This controller proportionally injects more or less water-methanol based on your boost pressure, meaning you get accurate delivery across a wide range of engine operation. You can adjust the start and full injection points to match your engine's specific needs, improving drivability and performance. The VC-50 also functions as a 52mm gauge, featuring a 7-color OLED screen that displays boost pressure, percentage of injection, low fluid level warnings, secondary nozzle activation, a prime button, and even two fault codes. You can customize the screen colors to match your dashboard or mix and match up to two colors.

This kit does not include a tank, so you'll need to source one separately. It's important to note that this system is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper setup and tuning.