Rivco Products PitchBlack Electrical Air Horn Kit Fits Harley Davidson FL Electra Glide/Road King/Road Glide, FL Softails, FX Softails, FX Dyna Glides, XL Sportsters, and Suzuki VL1500 L/C Intruder, Boulevard C90, C90 Black Produces a Loud 128 dB Sound Includes Horn, Compressor, Dust/bug Covers, Hardware, Hoses, Wiring, Fuse, Relay, and Installation Instructions