I like some recommendations to an air horn for my FLHP....I know some folks might say that it won't make a difference because when you use your horn it may be too late....But to me I would not hesitate to use it on a woman texting or putting on make up before passing her. just kidding....

I like the howards horns.....I never heard any up close but on you tube, they sound like a Mac truck.

 

Run down to Wally World get an air horn in the marine section, spray paint it black and your all set. Cheap, easy to replace, and very efficient.

 

I have an AlloyArt air horn. It looks good and it sounds terrific. I like it so much that I sometimes hit it just to see the looks on peoples faces. It wakes them up for sure.
I heard too many negatives about Howards Horns so I never even looked at them.

 

Could find any on youtube...

 

http://www.youtube.com/watch?v=v900lmkB2vw

here are my air horns. i have two, one in each lwoer fairing... loud as hel*

 

Here are my horns, MetalArts, unhook the stock horn and plug in the air horns. Takes all of 5 minutes:

 

Howards Horns are way too unreliable.
Here in Australia their name is synonymous with the Black Death, syphilis, Islam - anything but reliable.

Go with Rivco. You won't find a better air horn. Personal experience.

 

I can't speak for other brands, but my Rivco air horns have been installed for 4½ years with no problems. Very loud. If someone can't hear these at a great distance they are deaf, and it gives me a great sense of security knowing they will hear me when used.

 

I also have Rivco on my '09 Ultra Classic. They have been mounted for almost a year now and still working great.

 

STEBEL Nautilus. Compact but good for 139dB. F'n loud when you need to let a cager know he's a ********.