Works great so far and pretty solid kit. Relay is a little cheap or fragile but who cares , is easy to replace if it fails , the rest is solid and easy hook up .

For the price and simplicity these horns, they are definitely loud. If you want better you have to spend a decent amount more and go with a compressor, tank, more involved wiring, etc. I'm very happy with two of these on my truck.

Bought this thinking it wasn't going to be great but boy was I wrong. Very loud and easy to install. Highly recommend it.

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My neighbors and wife hate it. I LOVE IT! Easily the most stimulating upgrade I did to my truck and for a bargain at that. I don't necessarily recommend replacing your stock horn with this but instead use it as a secondary horn with a secondary horn button BUT IF YOU DO, replace your horn fuse with a larger amperage fuse matching the amps of the relay. It does come with a handy relay but you only really need that if you're hooking it up as a secondary.

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Man this horn is loud, and awesome, this company rocks. I had horn for about 3 months. Thought I had installed it wrong, or had bad bad ground because it started to not honk most the time. I could hear the relay switch click, but no sound.. uggg right..So then I blew air through the horn, it worked ✔️The relay switched worked..✔️ So had to be compressor... I contacted the GAMPO through the Amazon system. Told them the issue, and they sent replacement compressor, even after having it for 3 months.. no flax, no hassle, just a, “we be glad to send you the part”! THAT ROCKS. Will for sure use them for other products.Don’t need a Switch Dude I was shocked when I saw a lot of YouTube videos putting in a south.... I wad like noooooooooooo I wanted to use my own horn switch from the steering wheel.. After I watched a couple more videos and study the diagram ( I YouTubed that to to make sure I was getting wiring right) I realized I could use the wires from original horn to attach to air horn, (you still need to run the main red Hot wire to the hot post),Took off old horn. You can cut wires: add connections, and add to the blue and white wire on air horn.The power wire had long enough lead could tie to hotpost outside fuse box. There are holes on the outside of frame for radiator and front grill, followed directions and kept everything close together.IT IS Louder than STOCK horn on your truck. If you never done this before.. don’t be afraid..You can find lots of videos on how to take off grill, how to find out which is hot wire from the horn.If you used to working on your truck , no worries will nit take you long, if it’s your first time, plan a day so you don’t get in a hurry, don’t accidentally break your grill snaps becuse your in a hurry , and don’t feel rushed.I didn’t have to drill holes they were already in the frame, all though I did ream out the whole for the compressor hole for the large bolt that comes with the compressor. (Easy) and I only used one bolt for the horn, and put the relay switch on with that bolt. At ye bottom of the air horn I placed a zip tie on the bracket and attached to the frame just incas3 the bolt came loose an horn fell... ( not likely to happen.. I also did double nuts.. the only suggestion I would have for GAMPO is put in lock nuts for all the bolts.Love this Horn but not near as much as my sons do when they honk to scare a friend. Ha ha,I want to get a 2nd one to replace my other stock horn, nut I think that will be over kill..if it’s not loud, I think you should check your compressor.. or use your air compressor at home to blow air through your horn.. you will know real quick if it’s the actual horn or compressor that came with the horn..My father n law and brother n law will have an Awesome birthday presents this year! I am getting them this horn as well or their trucks.

Easy to install and pretty load. Definitely a truck horn sound!

So I just installed this horn in my 2010 FordF-150. The stock horn sounded whimpy and I think a truck horn should have some gusto, no? I’ve used a few different types of these air horns in the past and what impressed me right off the hop was the fact that the horn is metal. It’s not some flimsy tin can metal either, it feels pretty substantial. Second, the compressor has some heft (weight) to it. The compressor’s of the horns I used in the past felt lighter and really just looked a bit cheapy. That being said, I’ve only had it installed for a week and they usually tend to go to shite by the end of winter/early spring so we’ll see how it holds up in the coming months. Thirdly, is it loud? Yeah, she puts out some decibels. I was actually quite surprised at how loud it actually was. Usually the company will boast that it’s but then you get it installed and you end up yelling out your window instead of using your horn because it gets it gets your point across better. With this horn, not the case. I honked at a car earlier today at an intersection and everyone on standing each corner jumped. It gets the attention it’s intended to. It’s not an air tank/compressor horn loud, but loud enough 😉. Install was easy enough once I figured out the spaghetti bowl of wires (I am not technically inclined in these matters) but there are plenty of videos on YouTube if you get stuck. If I had only one comment to make it would be that the kit should include a ring clamp or something to make sure the air line doesn’t come unattached at either the horn or the compressor. At the very least a pair of zip-ties. But I digress, if that’s the only thing I can complain about then that’s pretty all right. All-in-all, GREAT quality, GREAT price point, EASY install & LOUD. If you’re thinking about it, stop thinking and buy it.

Bluddy loud like an air horn should be. Not a deep loud like a trombone more a trumpet.

Great air horn. Super loud. Easy to install with very clear instructions. It took about 1 hour to install on my trucks. Great warning device.

I prewired my side by side to use an air horn but had an old car horn handy so put it in temporarily. Was not too happy with that setup so went looking for a decent air horn. Bought this one because not the cheapest and had over 5K reviews. Very impressed with the quality of the horn and compressor but the wiring/relay not so much. Since I prewired the circuit with a good relay/wires I only really needed the horn & compressor. Easy installation. Mounted the horn on the roof of my SxS and WOW is that loud and great sound. Very impressed. Sounds just like a dump truck!