Ford and Shelby both agree that the new braking system is the best ever designed for any muscle car.As much as we believe the statements of the manufacturer and designer, we went out and looked at what others are saying about this instant performance classic Car and Driver compared a production prototype 2007 Shelby Mustang Cobra GT500 to a 2006 Z51 Chevrolet Corvette. Debt management companies handle payment for all your short term credit accounts.