If you want to take your S550 Mustang GT to the next level, you should ask the folks at Hennessey to give you a big performance upgrade.
Their 800 HP supercharged performance upgrade will surely transform your pony car into something different courtesy of a new set of wheels, tires, brakes, and carbon fiber front splitter, side skirts, and rear spoiler.
As a proof, Hennessey Performance released a new video where they tested a stunning orange example at the Pennzoil Proving Ground to show customers what it could do.
