Kleinn Air Horns 502 Chrome Triple Train will turn heads and move people - big time. It gives you an authentic train horn sound. Three tuned trumpets, 16-inches, 14-inches and 11-inches. Heavy-duty steel mounting brackets allow for under-body or rooftop mounting. When these horns sound, youll swear that youre standing on railroad tracks. Chrome-plated spun copper trumpets. Includes upgraded VX6003 solenoid valve with wider orifice and 1/2 inches tubing for increased volume. Trumpets can be separated from the mounting brackets for installation in vehicles that could not otherwise fit full-size train horns. When these horns sound, youll swear that youre standing on railroad tracks. Too Loud? Too Bad.