Hopefully this works to show how it mounted. I got the horns and relay for free as a package with Rivco for the light bar. I think they are like 118dB. I have it wired so they and the OEM horn works together. Sounds lound to me.
-------------------- '06 Speedy, Bubs, 132.5/42, AI and snorkle removed, Polaris bellmouth, K&N