Was that a motorcycle or a freight train? The cagers won't know what hit them when they feel the roar of the Euroblast Twin air horn. Extremely loud... very compact... single compressor... dual tone Hi/Low air horn. Comes all chrome with relay and hardware snokel included. The Euroblast Twin air horn is compact in size to fit ANY car, truck, or motorcycle. Heavy-duty, maintenance-free compressor will provide years of dependable service. Suitable for just about any 12-volt motorcycle, car or truck. All you need is the space to tuck it away - simple installation.