Kuryakyn 7742 Deluxe Wolo Bad Boy Horn Kit Kuryakyn has teamed up with Wolo to bring you the best and easiest to install air horn on the market. The latest in air horn technology, Wolo's Bad Boy Air Horn produces a powerful dual-tone air horn sound that is two times louder than the factory horn. The one-piece design requires no hoses and the heavy-duty, maintenance-free compressor will provide years of dependable service. Kuryakyn designed a sturdy bracket and plug-and-play wiring harness so you can mount the Bad Boy in place of the stock Harley-Davidson&#174; horn without any fabrication and plug it in without having to piece together your own wiring to install the relay. Note: Fits 1992 - 2014 Harley-Davidson&#174; models with stock Cowbell horn.