Bully's Rule!!!
TNT's right, just installed them last week. I installed my set-up a little different. The bully set-up is a complete, quality kit, It includes twin horns, (attached), compressor, air tank, pressure switch, and optional electric operating switch. There are two outer brackets on the front bumper that go from the frame rail to the corner of the bumper. I mounted the horns on the left side brkt, (needs a little bench grinding for best fit), facing down,and the air tank/switch/guage assy on the right brkt. The brackets come off easy with two nuts that hold them, you can mount everything right on the bench then install. What I found was the best place to mount the air compressor was on the pass side inner battery hold down bolt. This way it's up out of the weather and comes on and off very easily if needed. I wired the air switch the only way it should be mounted, DIRECTLY TO THE HORN BUTTON!!!! I disconnected the stock horns completely, but the kit comes with a switch if you want to choose. It even comes with 25ft of coiled air hose with tire chuck. One recommendation- DO NOT HONK AT PEDESTRIANS!!!!! :--) :--) :--)