1966 Ford Mustang

Fastbacks built 35,698. Factory GT's built = all body styles (coupe, fastback, convertible) = 25,517. Do the math and the estimated number ofGT fastbacks built is 1,427. 1966 Fastback - Real Factory GT proven by the dual exhaust supports welded into the floor under the rear seat - only K-codes and factory GT's have these.