🔊 Powerful and Versatile: Kleinn Air Horns HK2-1 Complete Dual Truck Air Horn Package in Sleek Black Finish Review

Amazing Sound! Not a huge fan of the three separate instructions that come with the kit and an outdated instruction manual from Klein showing a sensor they have since replaced. This was a bit confusing as I figured that either a part was missing or the wrong sensor was put in the box. Everything worked out when I wrote the other two instructions and just followed the instructions that came with the cable set.

For the shift sound I'd give them a 5, they sound really fantastic. The "special" tube of sealant they give you to thread should be discarded, just use plain teflon tape. After running the compressor every 3-5 minutes without a beep for several days, I started checking for air leaks. Even after all the fittings were redone, I put a pressure gauge on it and started taking things down. The end result is a crappy cheap little check valve. Added solid brass and it's within reason. In a letter to…

So I gave this 3 stars simply because Kleinn's customer service was exceptional. But the product itself isn't great - I would give it 2 stars. I had it professionally installed. The supplied compressor broke after about 2 weeks and I only used it a couple of times. Klein sent me a new compressor. It lasted 3 weeks. Both just worked, not really pressurizing the tank and never shutting down. This time Klein sent me an upgraded compressor. That worked well; fills the tank faster and seems to be of

Pros: When the kit arrived I was very impressed as it was packaged very well. The instructions were divided into individual parts, but easy to understand and put together. All parts appear high quality and durable. The installation worked fine on my Denali HD 2016. The hardest part is figuring out where to mount everything, but once you've done that it's pretty easy and straightforward. The sound is exactly what I was looking for, a loud, deep sound of a big truck that is sure to draw the…