Here’s a hack that’s been around since the very start of the hot rod movement. Car exhaust flame throwers work by interrupting the spark to the engine. This dumps raw fuel into the exhaust system.

The car looked like a Shelby and handled like a Shelby, but what we really loved was the supercharged V-8 music from the Borla exhaust system. See All 41 Photos HOT ROD’s Time at Spring ...