Compliments to the guy that fixed up a 72 Barracuda... but why the cartoonish exhaust? Looks like something from "The Mask"

 Thank the car gods he didn't put on a wing of any design. This airfoil is fine

1955 stock race car (Grand National series) of Tim Flock, a Chrysler 300, worlds fastest stock sedan at 130 mph... when Nascar meant stock car