Snow Performance Stage 3 Boost Cooler Water Methanol Controller (Boost/EFI) 18959 WeatherTech Side Window Deflectors are

WeatherTech Side Window Deflectors are precision-machined to perfectly fit your vehicle

Plug and Play

Increase your pump gas octane by 25 points and make more power efficiently with a cooler running motor

allowing for easy installation and perfect re-mating of bumper and body

they include a lifetime warranty

Snow Performance Stage 3 Boost Cooler Water Methanol Controller (Boost/EFI) 18959 WeatherTech Side Window Deflectors areThe stage 3 controller from Snow Performance stands as the most advanced water methanol injection controller on the planet. Utilizing boost fuel injector pulse width to command injection, the stage 3 will create a 2D MAP to calculate load of the engine and inject precise amounts of water methanol exactly when your vehicle needs it. Taking it one step further, the stage 3 commands 2 nozzles independently of one another to ensure exact amounts of water