Universal fit dual trumpet Air Horn kit. This Horn produces a loud sound of 122 decibels. Trumpets are chrome plated metal. Can be mounted under the hood. Will replace your original horn or can be installed as an auxiliary horn. Comes with a Heavy-Duty Maintenance Free 12 volt Air Compressor, Mounting Bracket, Hardware, Air Tube. Easily installs in any vehicle such as Car, Boat, Truck, RV, SUV or Motorcycle.