12V 150dB Air Horn kit, 18Inch Chrome Zinc Single Trumpet Truck Horn with Compressor for Car Truck SUV Boat RV(Black)

I have a 1997 Ford F-250 7.3l powerstroke. The truck is great and it only has 160k miles. Unfortunately, the original owner had an engine fire from the right side battery. A lot of parts were destroyed, original horn included. I bought it from the second owner who replaced all the melted parts and wiring harnesses, but he never did the horn. The trucks also been t-boned but that's a whole other story. Anyway, I needed a horn. Considering the turbo diesel 7.3l engine is so loud, I wanted something louder than a typical car horn. If I need to be heard, I don't want the horn to be drowned out by the loud engine. I heard good things about this GAMPRO air horn, so I decided to give it a try. Unfortunately, the retail box that they package the horn in is very low quality and was completely destroyed when I got it. Luckily only the trumpet part of the horn was dented and scratched, and mine won't be installed where anyone can see it. Everything else was still in the package and in good condition. The horn was really easy to install. I followed the Amazon listing wiring diagram. Don't try to follow the wiring diagrams included in the box. The Amazon ones are correct and much easier to understand. All the wiring goes through the relay and it works great with my original horn button on the steering wheel. The trucks has two batteries. I wired the horn on the right (passenger) side battery since that's where the original horn wiring is. There's an inline fuse close to the battery end of the wire. On vehicles with the battery on the opposite side of the original horn or in the rear of the engine bay, you might need a longer and thicker gauge 12v constant wire. I've used the horn dozens of times since I got it. I've used it in short rapid burst, a second or two, and even longer like 5-10 seconds. The horn seems to be consistently working well and very strong. I just have it zip tied in place, along with the compressor. I don't have a way to really test it, but it sounds and feels much louder than a standard horn. I can feel it vibrate when it's being used. It's facing down and behind the headlight, and it's still super loud. I bet it would be louder if it was mounted on top facing the front. Overall, I'm very happy with the air horn. It was easy to install and much louder than a stock horn. I've read some reviews that say the compressor is likely to fail every few years. I wouldn't mind having to buy a new one if I had to, as they're very fairly priced and you don't have to rewire the whole thing. I would definitely recommend this air horn to anyone looker for something lower and louder than their stock horn.

I got this awesome old F-150 a month or so ago and I immediately noticed that the horn sounds like a clown car. I wanted something bigger and better and this air horn answered the call. It is a great sounding horn! Pros: -Epic honk Cons: -can be tricky to install (finding a place for the horn and the compressor and mounting them) -doesn’t come with separate switch or instructions to wire it via separate switch -the provided wiring is too short, IMO -the air tube is really short, only about a foot long. It really should come with 6-8 feet to accommodate more flexible installation options. -it might be illegally loud? Be careful. Don’t be obnoxious. Keep your stock horn as your primary. Install tips: I wired mine to a separate switch instead of to the OEM horn. That allows me to preserve the stock horn and wiring and to use the OEM horn when it’s more appropriate. But it required purchasing a separate switch and more complex wiring (thanks to ChatGPT for helping me figure it out). The wiring seemed really short. The hot wire is a couple of feet long but the negative wire is only about 6 inches. No idea how you’re supposed to make that work with just that, unless you mount the compressor right in top of the battery. You’ll probably want some extra wire, butt connectors, spare connectors, and T-taps on hand before you get started. I mounted the horn itself to a skid plate just under the radiator area. This horn is big (a foot or so long) and that was about the only place I could think to mount it internally. I installed the compressor using an L-shaped bracket I had laying around. I couldn’t find any large, flat panels that I could bolt it through. I purchased additional tubing at Lowes so I could extend the reach. I probably used 6 or so feet of tubing and it still sounds great. If you’re handy and can figure out the mounting and the wiring, then go for it! You won’t regret upgrading the confident, masculine sound of an air horn!

Great kit! Comes with everything you need. Super loud. Installed it in my Ford F250 super duty. Love having it over the OEM horns.

For a $30 small electric compressor, the horn is very loud. Nice deep tone that sounds like a budget air horn. I knocked it down a star because the leads they supply are short and the cable plug for the fuse box had a loose connector that I had to super glue so it stayed put. Also bought my own $10 button. Would be nice if all of them came with a button for a little more money. Overall it was an easy install & the horn can fit in many spots on my Tacoma.

Loud.. gets people out the way or back in the road

I was pulling out of my drive way, heard it go off faintly and then It didn’t go off when I tried testing it shortly after. I already spent money on plastic rivets and installing it was a pain, the only thing that would change my mind on this review if I just got a faulty unit and they would send me another compressor, I am not returning the whole product it took me enough work to mount it. It sounded great when it worked. Update: I bought a second one kept the packaging all sealed up and returned it with the faulty compressor. So far it is holding up, I love this horn. I tapped it into the stock horn harness and what makes this really good is when my car alarm goes off it is really really loud. I love the sound for the price point and how compact it is. I will keep you updated and probably add a picture Update!!!: Horn stopped working now. Lasted a couple of weeks and died. Do not buy!! Update!!: wiring just sucked and shifted a little bit, all good now. It felt wrong without it for a day

Update: figured I'd update my review to note the compressor finally died after 2 1/2 years. All other components still working I just ordered another one of the same brand and switched out the compressor now everything works again. Mine did get used a lot because it's tied to my alarm system and gives a quick honk or double honk while unlocking. Perhaps all those repeated bursts shortened the life a bit. I added a photo to also note how the new compressor from the silver version of the horn came without any plastic housing on the top like the old one which I prefer it to have housing, seems less protected and the new one already had a little ding on the top right out of the box but it might not matter much once it's installed and mounted to be honest. Original review: Alright I posted this video to help those who have the same questions I did. Almost a year later and the horn still working great because I did a proper install and secured things well with quality parts and connectors. here's the most critical info that took me the longest time to figure out: White- Goes to ground, MAKE SURE YOU'RE PROPERLY GROUNDED that is where I messed up initially Blue - goes to your original horn Black - Also goes to ground Red - Follow the item description, it goes to the power source I was stuck and didn't know what was wrong and my problem was the grounding source I used wasn't proper, the paint and bolt I think preventing it from grounding. Secondly, you'll need: - some extra 16 or 18awg wire to extend to reach to your original horn or ground point depending on your car and location you install it. - Waterproof heatshrink butt connectors and male/female heat shrink connectors - Lastly, you'll probably need extra tubing. Take the vinyl tubing it comes with to a hardware store like lowes or home depot and make sure you get the right size diameter. Finally the video actually shows HOW IT SOUNDS, which no other reviews could show. And the seller doesn't have a simple audio clip for you to hear. In short it's nice and loud definitely what I hoped for.

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.

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So I just installed this horn in my 2010 Ford F-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.

Works great & was a good price too

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

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