Tested and working used pair of Hi and Lo tone horns. 1969-70 Mercury Cougar and Ford Mustang used part number C9ZF-13802-C and C9ZF-13801-B. Every horn is bench tested and inspected for cosmetic defects, if they do not function properly, and pass a visual inspection, they get recycled. The used horns at WCCC can be used as-is or you can clean and detail them for your show car.