Very easy installation. The instructions were pretty clear. The photo of the relay bracket is not very meaningful. Everything else was easy. The horn is nice and loud. It has nice sound quality. The only thing that bothers me is the location of the relay. It's just behind the horn and near the heads. The instructions state there should be a minimum of 1/4" clearance from the plastic and horn components. I get it, but it still seems close. I'm not an electrical expert, but I think if I have a heat issue with the relay I'm going to use longer wires and reposition the relay somewhere else The hardest part of this project was getting to the top of the battery My bike is a 2012 Electra Glide seat I just used two zip ties and that was it. the cover fits perfectly on the compressor. and it was easy to route the hose and wires where they should be. hope this helps
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