Soccer Moms, Beware! | Howard's Horns' Dynamic Duo

We’ve all been in those sticky situations where you have been put in harm’s way, frantically sounding the horn to try and escape certain doom. Whether it’s the text messaging soccer mom or the guy paying more attention to his Norelco razor than driving, chances are you never know when you’re going to need to really get someone’s attention. But let’s be honest, the stock Harley-Davidson horn isn’t very loud, and Howard’s Horns has the solution.

The Black Cat Dynamic Duo horn system comes with dual aluminum trumpets, compressor, mounting bracket, 30-amp relay, braided stainless hose, and all necessary mounting hardware.

The Black Cat Dynamic Duo horn system comes with dual aluminum trumpets, compressor, mount

Howard’s Horns’ Black Cat Dynamic Duo ($149.99) will not only make those around you more aware of your presence, but they’re a hoot for just having fun with your buddies or freaking out your wife/girlfriend. Basically, Howard’s Horns are scaled-down truck horns, and the Dynamic Duos blast a whopping 140-plus decibels. The trumpets are made from aluminum and are available in either chrome or black powdercoat. And the bracket is made from steel and then powdercoated in a wrinkle black finish. The trumpets add a nice visual appeal and the system is made to fit ’93-later Harley models, including Ultra models without the lower fairings; however, Howard’s Horns has an array of horn models available to fit your bike in various shapes and sizes.

We had a 2008 Road King that was in need of some more decibels come “Oh $hit” time. The installation was a snap and we were done and back on the road in a little more than an hour.

Source:

Howard’s Horns
(770) 992-0034 | howardshorns.com

[02] The Road King was rolled onto the lift and prepped for installation of the Dynamic Duo air horn.
[02] The Road King was rolled onto the lift and prepped for installation of the Dynamic Du
[03] To gain access to the battery terminals, we had to remove the saddlebags and seat. This seat features a passenger grab strap that mounts to the inside saddlebag mounts, hence the removal of the bags.
[03] To gain access to the battery terminals, we had to remove the saddlebags and seat. Th
[04] We removed the Maxi Fuse from the fuse panel so that we could mount the wiring to the battery terminals from the Howard’s Horns compressor and 30-amp relay.
[04] We removed the Maxi Fuse from the fuse panel so that we could mount the wiring to the

[05] We loosened the acorn nut holding the cowbell horn cover in place in order to remove the stock horn. The two bolts holding it in place were removed (red arrows) and the stock horn wiring plugs were unplugged (yellow arrows). We’ll need to reuse the cowbell cover to mount the new compressor inside.
[05] We loosened the acorn nut holding the cowbell horn cover in place in order to remove
[06] We mounted the plastic hose to the compressor and wrapped the stainless braided hose around it, securing it in place with a provided hose clamp.
[06] We mounted the plastic hose to the compressor and wrapped the stainless braided hose
[07] The compressor was mounted to the inside of the cowbell bracket’s middle hole (yellow arrow). Howard’s Horns instructs to mount the compressor to the top hole but it didn’t fit.
[07] The compressor was mounted to the inside of the cowbell bracket’s middle hole (yellow

[08] With the compressor hooked up, we mounted the new wrinkle black bracket to the factory horn bracket. Notice the dangling horn wires—the hot wire will be soldered with wire leading to the 30 amp relay near the battery. The ground wire will not be reused. The cowbell cover with the new compressor will mount to the relocated bolt (yellow arrow) and the dual trumpets will mount to the new bracket here (red arrows).
[08] With the compressor hooked up, we mounted the new wrinkle black bracket to the factor
[09] The cowbell cover and compressor were mounted first and the plastic tube was hooked up to the dual trumpets with a hose clamp. The dual trumpets were mounted next and tightened down with threadlocking compound, lock washers, and nuts.
[09] The cowbell cover and compressor were mounted first and the plastic tube was hooked u
[11] Howard’s Horns provides a detailed wiring diagram. Using black and red 14-gauge wires we also used 14-gauge ring terminal connectors for the battery posts, and female disconnect connectors for the Howard’s Horns relay. After making the proper connections from the compressor to the relay to the battery posts, we wanted to test the sound of the horn.
[11] Howard’s Horns provides a detailed wiring diagram. Using black and red 14-gauge wires

[10] The yellow/black wire from the stock horn needed to be lengthened to route up to the new 30-amp relay that will mount near the battery. After the wire was soldered, shrink-wrap was used to secure the connection.
[10] The yellow/black wire from the stock horn needed to be lengthened to route up to the
[12] The horn checked out, so we disconnected everything, used shrink tube to bunch the wires together and then routed them underneath the fuel tank. We simply removed the rear tank mounting bolts and propped up the tank rear to feed the wires through to the battery and 30-amp relay. After making the final connections, we sounded the horn again and it sounded great.
[12] The horn checked out, so we disconnected everything, used shrink tube to bunch the wi
[13] As you can see, Howard’s Horns Black Cat Dynamic Duos look pretty cool with the engine and they’re loud as hell! Watch out soccer moms, you’ll never text and drive near this Road King again. For some video of how the Dynamic Duo system sounds, visit baggersmag.com.
[13] As you can see, Howard’s Horns Black Cat Dynamic Duos look pretty cool with the engin