Here is the Dynamic Duo kit, which includes the compressor, two-piece trumpets, stainless steel hose, relay, and mounting hardware. We also got a set of trumpet covers to help keep the dirt and water out of the horn. Before we started the install we disconnected the battery and removed the stock horn from the bike, and then the cover cowbell from the horn. On carbureted bikes, you will need to disconnect the choke from the stock horn bracket by loosening the nut behind the bracket and letting the choke hang until the new bracket is ready to be installed.
Here is the Dynamic Duo kit, which includes the compressor, two-piece trumpets, stainless