I know of a Toyota Vitz and a Subaru Forester that are equipped with water-methanol injection kits. Could you explain how these kits work, how they can be installed, and how much they might cost?

We install and dyno test a Snow Performance Muscle Car Water/Methanol injection kit on PHRs Project Nova, with the help of Outlaw Motorsports. See how well it works on a 10.5:1 compression ...