The 2018 Dodge Demon made 840 horsepower on race fuel, ran a certified 9.65-second quarter mile, and lifted its front wheels 2.92 feet off the ground, a Guinness-certified first for a production car. Dodge had Nitto build it a street-legal drag radial, rerouted the air conditioning to chill the supercharger, and deleted the passenger seat, selling it back for a dollar. Only 3,300 were built. Read on for what went into it.