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EFI Sportster Motorcycle Talk (2007 and up) For 2007 and above Sportsters

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  #1  
Old 24th October 2011
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Default Any one installed the Harley Loud Horn Kit yet?

According to HD :
"Grab everyone's attention. Engineered to be 3dB louder (at 2 meters) than the Original Equipment front-mounted horn, this Horn Kit is tuned to a frequency note that helps cut through the background noise."

Has anyone installed this? I'm curious how much louder is this "Loud Horn". 3dB hardly seems much of a difference, so if anyone's done this mod, do chime in (pun intended )


Here's the link to the kit on HD's website :
http://www.harley-davidson.com/gma/g...bmLocale=en_ca

Last edited by G.Man; 24th October 2011 at 04:10.. Reason: Adding more text
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  #2  
Old 24th October 2011
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don't know any one who has installed the moco 'loud' horn but a lot of us have installed the 139db Stebel Nautilus. it is 'LOUD'. see here
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  #3  
Old 24th October 2011
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I installed the Loud Horn on my '04. Overall, I am happy with it. It is louder, but what really makes it better is that it has a slightly lower pitch than the stock horn.

While 3dB doesn't sound like a big difference, keep in mind that decibels are a logarithmic measure. So, if you double the power ratio, the difference is approximately a 3 dB change. Not a huge difference, but definitely significant enough to notice.
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Old 24th October 2011
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Quote:
Originally Posted by Swanny1172 View Post
I installed the Loud Horn on my '04. Overall, I am happy with it. It is louder, but what really makes it better is that it has a slightly lower pitch than the stock horn.

While 3dB doesn't sound like a big difference, keep in mind that decibels are a logarithmic measure. So, if you double the power ratio, the difference is approximately a 3 dB change. Not a huge difference, but definitely significant enough to notice.
Thanks Swanny, so it sounds better in person than it looks on paper? I was considering a Hella Supertone, but those wouldn't fit without ugly brackets (and the horns themselves are kind of an eyesore). So i'd be keen on the loud horn kit if there's a noticable difference.

Last edited by G.Man; 24th October 2011 at 17:32.. Reason: Spelling
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  #5  
Old 24th October 2011
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Swanny, by the way, was it a simple swap out? According to the product description it's supposed to be. Was there any additional hardware required?
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  #6  
Old 24th October 2011
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Got one it is louder and easy to install
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  #7  
Old 24th October 2011
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I did the cowbell horn conversion to mine, I don't know if or even how much louder this one is but a Harley should never have a Toyota horn on it, so I had to do something to get rid of the original. Sounds much better.
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Old 25th October 2011
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I have one. Not as loud as a Stebel, but louder than stock. Looks and mounts like the stock horn.
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  #9  
Old 25th October 2011
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Quote:
Originally Posted by Swanny1172 View Post
I installed the Loud Horn on my '04. Overall, I am happy with it. It is louder, but what really makes it better is that it has a slightly lower pitch than the stock horn.

While 3dB doesn't sound like a big difference, keep in mind that decibels are a logarithmic measure. So, if you double the power ratio, the difference is approximately a 3 dB change. Not a huge difference, but definitely significant enough to notice.
Swanny, might I ask - have you heard a single low-tone Fiamm and if so, how would you compare this one?

I was thinking of installing this on my wife's Ducati (because I get a perverse pleasure installing Harley parts on Italian bikes and because the small size would fit nicely behind the oil cooler cover on her bike).
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Old 28th October 2011
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I also installed the loud horn. It mounts just like the factory horn.
I used my iphone Db meter before and after.
Factory horn @ 10 feet = 88Db
Loud horn @ 10 feet = 103Db
I can definitly tell a difference.
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