Installing An 18" Air Horn...'Cause Bigger Is Better!

TXtriple

SIC VIS PACEM PARA BELLUM
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Feb 16, 2018
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297
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Central Texas Hill Country
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2012 Roadster
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We know the factory horn is a joke. I had the Stebel Nautilus on a previous Rocket and while it was plenty loud it wasn't the sound I was looking for. My morning commute is at 4:30 AM along a 30 mile stretch of Texas Hill Country Highway the locals call "The Meat Grinder". With these things in mind I set out to find a horn that would befit this Beast.

Here's what I came up with.
 
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TXtriple

SIC VIS PACEM PARA BELLUM
Thread starter
Joined
Feb 16, 2018
Messages
297
Location
Central Texas Hill Country
Ride
2012 Roadster
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The front mount is a piece of 1/2" aluminum strap I had laying around. There is a small band of bicycle inner tube between it and the horn.The aluminum goes under the oil tank embellisher and borrows the front screw. I put a washer under the rear screw so the embellisher sat level on the tank.

The rear mount is a piece of 1 x 3/16" steel that I bent with a hammer and bench vice 'till it fit. I drilled and tapped it for 1/4-20 stainless screws and the other end is under the rear engine mount bolt. It's pretty sturdy.
 

Jay

E pluribus unum
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Jan 3, 2019
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California, USA
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2013 Rocket 3 Touring
That’s awesome. Any issues with sound reflected back from the edge of the radiator?
 

barbagris

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Aug 1, 2010
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On the verge of insanity
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2009 R3 - 1979 Guzzi V1000G5 - 2018 KTM 790 Duke
I have a double trumpet under the hood of my small Kia. When some deserving azz clown gets a blast they never expected it scares the sh*t out of them usually resulting in a one finger salute!:D
'cept of course anybody texting and wearing earplugs. Hmmmmm? what?
 
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