All this gunmetal grey 2006 Ford Mustang Shelby Eleanor GT500 needed to be crowned the loudest American muscle car in the fine nation of Slovenia is a 600HP gas-powered engine beneath the hood. And, while you might think this is a big fish in small pond kind of situation, the truth is that this red, white, and blue musclecar can really rev up the sound as it does in this revving contest. Its growling engine pushed out 147 decibels.
Crazy!! Be sure to check the out next video below.