Written by Evan J. Smith Photography by the Author Mustang fans have their answer. In its first track outing, Evolution Performance and its Iconic Silver 2020 GT500 clocked a 9.939 at 140.43 mph at Bradenton Motorsports Park during a public test and tune session, and they've really just scratched the surface of the car's performance capability. Amazingly, the GT500 has just 300 miles on the...