Air Horns

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Wolo Bad Boy Air-horns
& Fiamm Freeway Blasters
on the Nomad

When I got the Nomad, I really hated the OEM stock horns.  They carried absolutely no presence.  So, over the winter I upgraded the OEM horns to a set of set of Fiamm Freeway Blaster electric horns with custom relay ~ High Note Horn ~ Low Note Horn.  These made the bike sound like a Buick and I liked the sound but there were times that I felt that I still didn't have the dB sound I wanted.  At the 2007 VN750 Gathering, I heard a few of the Stebel style air horns and I got to thinking.  My mind was made up after having again to toot the horn at a car attempting to occupy my space on the road.  5 minutes after that incident, I was in the store with a set of Wolo Bad Boy Air Horns in the cart.  I elected to keep the Fiamm horns in the OEM location and have the Wolo air horn in addition for a total of three horns on the Nad.  Total installation time - under 1 hour including making a custom bracket and the wire harness.

The Fiamm Highway Blaster behind the ignition switch with the Wolo Bad Boy under it.

The Fiamm Highway Blaster in place of the OEM horn.

The Wolo air-horn is attached to the bike using a windshield mount I had laying around the garage.  It is attached to the 1.35" downtube with a custom cut aluminum bracket putting it right where I want.

Close up of the right side horn with the relay tucked in-front of it.  The relay is triggered by the OEM horn button with the power coming from my power distribution box with a 20A fuse protecting the set-up.

The Wolo is powered by a jumper off the Fiamm Highway Blaster.  All three horns are powered from the distribution box in the left side panel on the bike and triggered by a 30A relay hooked to the OEM horn wires.

I initially blew the 15A fuse in the dist. box so I went with a 20A fuse.  When the horns are applied, the voltage meter drops to red, but seeing that the horns are not usually used for more then a few seconds this should not pose a problem.  The 20A fuse withstood a 10 second blast (causing cars 1/4 mile ahead of me to hit the brakes). 


Rivco Air-horns on the
Vulcan 750

Rivco Air Horns...  129dB of Screaming "Drop the Cell Phone and Get the Hell out of My Way Because I Own the ROAD!!!"

For years I've dreamed of mounting a set of these puppies on the Vulcan.  In 2003, it became a reality...  

One thing to keep in mind on my bike is that it is an Ear-Shaved VN750.  That means that I don't have the air-filters nor the surge tank in the way.  This opened up a lot of room for me.  I can not say if this modification will work on a VN750 without the Ear-Shave Mod.

I've removed the horns and bracket.  I've elected to use the horn wires to drive the relay.  I've made a harness to lead from the steering head back to where the relay and compressor are mounted.

The compressor and horn relay.  Wiring is still rough and has not been tucked away.

Click here for a simple explanation on what relays are and how to use them.

Overhead view of the compressor.  The Compressor is grounded to the frame and the power for the compressor is supplied by a fused lead from the battery to the horn relay.

The horns mounted to the bike to where a air-filter once was.

I've wrapped the horn wires in split-loom.  I've run it along the frame where it will be hidden by the gas tank.

Side view of the compressor and relay.  I drilled a hole into the tab between the two frame tubes to use as an anchor point for the compressor.  The compressor is solidly mounted and will not move.

I've used Chrome colored split-loom to hide the compressor hose going to the horns.

Finished project.

Close up...

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Last update: 10/07/2012

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Evan Breyn