Nothing looks better on a drag car than a nice header flame. Alternatively, nothing looks worse, exciting as it may be, than watching the front of a car go up in flames when things don’t go right. What causes these spectacular phenomena? The above video, made by Les Mayhew, explores just what makes a nice header flame on a Nitrous Pro Mod and just how things can go wrong. Drag racing experts Shannon Jenkins and Ricky Smith take us inside the pros, cons, dos, and don’ts of different setups and how to get it just right on the drag strip.