Super Loud Triple Trumpet 140+db Train Style Air Horn & VIAIR 275c 120psi 1.5 Gal. Complete Kit Super Loud 140db Train Air Horn 1.5 Gallon VIAIR Kit Heavy Duty VIAIR Compressor/Tank 20003 Kit GREAT for Trucks, RV's, Boats...ANYTHING!! VIAIR 120psi Air Syetem Kit w/Air Horn-BEST on the Market Complete with Install Instructions & 1 Year VIAIR Warranty