I fabbed a stainless bracket (a bar with two holes and mounted the new design). Get a smaller mounting bolt for the horn. Do not use the bolt they send you. It is too long. You will know what I mean when you do it. Just get a smaller bolt. Make sure the holes you drill in the mounting bracket are two different sizes. You will know what I mean when you make your bracket. One size to mount the bracket to the bike. One size to mount the horn to the bracket. Make sure your bracket is long enough to clear the exhaust and push away from your oil cooler. Think about five inches.. Fits great. Remarkably compact. I replaced the Denali mini sound bomb which worked MUCH better than the factory horn. The Banshee wires up like a dream. No relays or hacking. I do not mess with the headlight feature. Cut the yellow wire off. Pull out the shunts (you will know what I mean if you buy the horn). Just get out the needle nose and disconnect the delay or "pulsating feature."). 2 blue wires to the old horn connections with no distinction. Red to battery-Black to battery ground. Made in the USA. You can pick up the phone and talk to these guys and they will tell you anything you want to know or need to know about this horn. The screaming banshee is the best horn in the world. Nobody should buy any other horn than the screaming banshee. Everyone should put a screaming banshee horn on their TW. My biggest complaint with things like this is that it is a lot of fun to fab and wire up and have everything work and come together without incident. A few great hours of fun. It takes longer to get the seat on and off.