Trey and Frankie get a call about a 1974 Dodge Charger down at the used car lot. It’s in pretty good shape, but with another auction only a few weeks away, the Bomb Factory will need to soup up this muscle car in record time if there’s any hope of it bringing in any real money. Charles thinks a larger engine and a sleek paint job should do the trick, but a disagreement rear windows puts their tight timeline in jeopardy.