For Sale: 1988 Mustang GT Convertible. Stock 5.0l with Automatic. 112,xxx miles. Runs great with great gas mileage. Saleen Rear Wing, Cervini Mach 1 fiberglass hood. 5-Lug conversion all the way around with Yukon Axles in rear. 18" Wheels with very good tires. Flowmaster dual exhaust. Mostly...