Shelby's first take on the 2020 Ford Mustang Shelby GT500 sees the output rise to 800 horses

The 2020 Ford Mustang Shelby GT500 is as extreme as muscle cars tend to get, but Shelby American was never going to sit back and let Ford have all the fun. To make its mark on the super muscle car, Shelby rolled out the GT500 Signature Edition packing over 800 horsepower. The GT500's 5.2-liter supercharged V-8 delivers 760 hp straight out of the...