Gearheads hold onto your hats! The Ford Mustang Shelby GT500 was already a tire-shredding monster with a whopping 771 horsepower – the most powerful production Mustang ever, and the strongest ...

We know the Ford Shelby GT500 is coming ... The two most notable changes are the bulging, vented hood and the large exhaust tips. We don't know what exactly is under the hood, but the bump ...