The Challenger SRT Demon’s launch procedure reads like a checklist from a flight manual: line lock, brake, burnout, stage, release. Behind it sits a system that builds boost before the car moves, a set of factory drag radials, and an air conditioning circuit repurposed to chill intake air. The front wheels leave the ground by nearly three feet. Read on for how Dodge got there, and what the car is like the rest of the time.