For some reason, dual horn relay wiring harness kits are difficult to find lately. The Eastern Beaver dual horn relay harness (review) that I’ve used before is no longer being made, unfortunately. But ...

hey this is Patrick and today I'm going to show you how to install this Denali sound bomb horn onto your motorcycle now typically stock horns are pretty weak if you're in traffic or something like ...

Yes, you'll require a separate relay in order to install a secondary horn. Moreover, we would suggest you to get in touch with the nearest authorized service center ...