The S550 Mustang is hands-down the best-handling Mustang from Ford, ever. Between improvements made over the world-class S197 Mustang and the use of independent rear suspension (IRS) for the first ...
Ever since the sixth-generation S550 Ford Mustang made its debut with an independent rear suspension as the starring attraction, we've been in and out of love with it. We fell hard for the Shelby cars ...