Rivco Dual Air Horns AHMULTI Fits Many Harley Davidson, Honda, Indian, Kawasaki, Suzuki, Victory, or Yamaha Motorcycles Produces a Loud 128 dB Sound Includes Horn, Compressor, Dust/bug Covers, Hardware, Hoses, Wiring, Fuse, Relay, and Installation Instructions 1-year Unlimited Manufacturer's Warranty