As the first Carroll Shelby Signature Edition version for this model, the car delivers an additional 40 horsepower. To enhance performance, Shelby American integrated a new pulley and coolers for the 5.2-liter V8 to make 800+ HP. The car was lowered with more track-focused springs to match a new aggressive suspension tune. A new ultralight, vented dry carbon fiber hood cutting 30 pounds off the top of the Shelby GT500.