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Air horn on a Fat Boy?

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Old May 10, 2026 | 10:11 AM
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Default Air horn on a Fat Boy?

I think the first upgrade I want to do is replace the stock horn on my '18 Fat Boy. I've only had this bike a day and don't this stock horn could scare a squirrel out of my way. Anyone add an air horn to theirs? If yes, do you have some pictures or a link to your thread that you could share? I tried searching the forum and couldn't find any good air horn installs on a Fat Boy.
 
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Old May 10, 2026 | 01:51 PM
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https://motohorn.com/gallery/fat-boy/

or try the M8 forum at https://www.hdforums.com/forum/2018-softail-models-206/
 
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Old May 10, 2026 | 05:43 PM
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Silly question, what do you mean by "M8"? Does that apply to my bike? I'm new to the Softail Fat Boy bikes.
 
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Old May 10, 2026 | 06:36 PM
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Milwaukee-eight (M8) engine
 
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Old May 10, 2026 | 06:58 PM
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Originally Posted by Bone Doc
Thanks. I'm learning about Harley's still. I ended up buying this bike of mine yesterday. My plans were to buy a Honda VTX; but, ended up going with the Harley. The bike just felt right when I sat down on it versus other bikes.
 

Last edited by PontiacMike; May 10, 2026 at 07:00 PM.
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Old May 10, 2026 | 07:10 PM
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Originally Posted by PontiacMike
Thanks. I'm learning about Harley's still. I ended up buying this bike of mine yesterday. My plans were to buy a Honda VTX; but, ended up going with the Harley. The bike just felt right when I sat down on it versus other bikes.
Congrats on the new bike. The 2018+ forum at the top of the softail page is where you'll find info that better fits your era of motorcycle. Great bike, should give you years of enjoyment.
 
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Old May 11, 2026 | 05:39 PM
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Originally Posted by Jag Jim
Congrats on the new bike. The 2018+ forum at the top of the softail page is where you'll find info that better fits your era of motorcycle. Great bike, should give you years of enjoyment.
Thanks. I'll check out the 2018+ forum at the top.
 
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Old May 12, 2026 | 08:15 AM
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2019 Heritage I added an air horn. This is the bracket I made.




 
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Originally Posted by PontiacMike
Thanks. I'm learning about Harley's still. I ended up buying this bike of mine yesterday. My plans were to buy a Honda VTX; but, ended up going with the Harley. The bike just felt right when I sat down on it versus other bikes.
Doesn't matter how long you own one. You'll always be learning something about them. Even if you didn't want to!
 
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