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The best air horns for motorcycles harley market is flooded with so many options that it is likely you will have trouble narrowing it down. These are the top ten search terms in 2021. A lot of time and effort went into compiling this list. You’re about to learn a lot!

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10 Best air horns for motorcycles harley Reviews in 2021

Bestseller No. 1
Wolo (519) Bad Boy Chrome Air Horn - 12 Volt
  • Chrome finish
  • Diaphragms have a flat shaped chrome cover and Wolo has added a chrome cover to the top of the compressor
  • Both covers are aerodynamically shaped, making the Bad Boy Chrome a great choice to dress-up any engine compartment as well as the exterior mount on a motorcycle
  • Produces a powerful dual tone air horn sound that is two times 2X louder than a factory horn
  • Compact in size and is ideal for any 12-volt vehicle
Bestseller No. 2
Screaming Banshee Shockwave Horn Kit, 132 dB, Universal Upgrade for Most Motorcycles, Louder than OEM with Banshee Visual Alert System, 2 Year Warranty
  • NOT JUST ANOTHER AIR HORN - this dual volume extremely loud motorcycle horn may save your life - many customers have credited this horn with saving their life by making them seen and heard when they need it most. Thousands of motorcyclists use Screaming Banshee horns every day!
  • BANSHEE VISUAL ALERT SYSTEM (BVAS) - connects visual & audio alert systems to get the attention of other vehicles
  • INNOVATIVE DESIGN - dual volume Friendly/Angry modes. Simply tap your horn button to gently warn inattentive drivers with short press, or BLAST them with super loud raucous 130+ decibel pulsing horn and flashing high beam
  • EASY TO INSTALL - the included installation kit provides everything you need. No relays, extra wiring or connectors to buy. Just remove your old motorcycle horn, connect the horn, power & ground wires and you're done! Full 2-year warranty and US based support
  • THE BOTTOM LINE - developed by motorcycle riders for motorcycle riders - 40% smaller than any other air horn; 30% lighter than any other air horn; 20% louder than any comparable air horn. Fits most makes including Harley Davidson, Honda, Indian, Yamaha, Kawasaki, Ducati and Suzuki
Bestseller No. 3
Marco Tornado Car & Motorcycle Air Horn | Super Loud Electric Horn Compatible with All 12V Vehicles | High Decibel Compact Design
  • PROTECT YOUR SAFETY: Tired of getting run off the road by larger vehicles that don't see you? Install a car horn that will get you noticed! Our electric train horn is the perfect loud horn to help any motorcycle, car, or small highway vehicle avoid collisions.
  • COMPACT DESIGN: Our motorcycle horn is super compact and is designed to be mounted on any 12V vehicle. Because it has an integrated air compressor, our car horn kit only needs to be wired in to your vehicle's existing 12V system.
  • DETAILED INSTRUCTIONS: Install this 12v air horn in just a few steps. We offer a detailed installation guide on the product box or available for download.
  • SATISFACTION GUARANTEED: All our air horns are made with high quality components. They're 100% tested before leaving the factory and come with a two-year limited warranty so you can be sure you're getting a loud car horn that's made to last.
Bestseller No. 4
HS RED Chrome Silver Black Loud Motorcycle 12V Air Horn Euro Blast Euroblast for Harley Davidson & Other Bikes (Made in Italy) 139db +
  • MADE IN ITALY originally designed for the motorcycle police force in Italy.
  • Super Loud! Over 139 dB air horn. Brand New in the Box-Includes Relay & Install Instructions.
  • Will fit any motorcycle, car, truck, or SUV with a 12V electrical system.
  • Mounts with one bolt included in kit and produces a powerful dual tone air horn sound
  • One-piece design requires no hoses and installs in minutes by simply transferring the factory horn wires to the compressor
Bestseller No. 5
Wolo (619) Big Bad Max Air Horn - 12 Volt, Black
  • Sound chamber designed to create a deep big rig sound, two times (2X) louder than a factory horns
  • Perfect choice for all 12-volt vehicles: cars, trucks, motorcycles, boats, etc
  • The one-piece patented design requires no hoses like conventional air horns
  • Easily installs with one bolt that is provided, transfer the vehicles factory horn wires to Big Bad Maxs compressor and the installation is complete
  • Built with a heavy-duty compressor that is maintenance free assuring years of dependable service
Bestseller No. 6
Kleinn Air Horns HOGKIT-1 Direct Drive Horn System Silver & Black, 14 Inch
  • Expertly Engineered for most Harley Davidson Motorcycles from 1978 to Current
  • Offering a One Hundred Percent Bolt On, Direct Drive, Dual Air Horn
  • Includes a Powerful, Compact, Tank-Less Direct-Drive Compressor
  • Featuring a Custom Bracket Proudly Made in the USA
  • Includes Instructions for Wiring, Relay, Air Line and Required Hardware
Bestseller No. 7
Stebel Nautilus Compact Motorcycle Air Horn - Loud - Black
  • Extremely Compact - This horn unique 1pc. design makes it extremely easy to install on anything! Not only is it compact, but it doesn't require an external air compressor! Simply wire it up w/ 12v power and you're set! This is one of the smallest direct drive horns you can purchase.
  • Harmonized twin tone sound (530Hz and 680Hz) at 139dB
  • Water Resistant Compressor: 18 amps @ 12 volts.
  • Will work with any 12 volt system (car, truck, motorcycle, golf cart, RV, bus, Rhino, Gator, ATV, boat, Hi-Lo, …)
Bestseller No. 8
Kleinn Air Horns HOGKIT-1BK Complete Black Bolt On Direct Drive Air Horn - Harley Davidson
  • Powerful, Compact, Tankless Direct-Drive Compressor
  • Includes Dual Direct Drive Air Horn
  • Custom Made in USA Bracket Included
  • Wiring, Relay, Air Line, and Instructions Included
  • Hardware Included
Bestseller No. 9
12V Waterproof Horn Speeker, Keenso Universal Loud Electronic Air Horn for Motorcycle Auto Car Scooter (TypeA)
  • 【115 DB Crisp Alarm Warning】-- Powerful motorcycle Electric Loud Horn with 115dB loudness can blare out a warning that cannot be ignored, then attract more attention for avoid more accidents when is driving on the road, help you to warn other cars and pedestrians for your driving safety
  • 【Low Power in High Performance】-- The Snail Loud Horn Speaker is powered by 12V DC, ensuring low power consumption; It can improve the output sound quality of your vehicle with this highly efficient speaker, giving a clear and loud sound
  • 【Snail Horn in Cool Shape】-- Designed in Snail horn shape, cool appearance, fashionable design, show your unique style in your car; With this snail horn air speaker to replace your old and wore out horn, enjoy a cool driving
  • 【Sturdy, Durable & Waterproof】-- Made of high quality ABS material + Waterproof housing with fixing bracket, good waterproof to ensure long time service, can be used smoothly even in extreme weather
  • 【Universal Motorcycle Loud Horn Speaker】-- Suitable for auto car, trucks and other DC 12V vehicles;Universal for most motorbikes, ATVs, Go-Karts, Dirt Bikes, Pocket Bikes and Auto car with 12V power;This Motorcycle Loud Speaker is quite easy to install and convenient to use
Bestseller No. 10
Kuryakyn 7742 Deluxe Wolo Bad Boy Horn Kit
  • For Harley-Davidson bikes
  • These are loud and powerful dual-tone sound, which is twice as loud as the OEM horn, you will be heard with this guy
  • Features a plug and play wiring harness that can mount the Bad Boy in place of the stock horn without any fabrication
  • Includes (1) Chrome Wolo Bad Boy air horn, (1) wiring harness, (1) horn mount kit (1) mount - black, (1) hardware kit; suggested tools for installation (not included): set of hex wrenches, torx drivers, combination wrenches and phillips screwdriver
  • Compatible with Harley-Davidson models: ‘95-'19 with stock Cowbell and Waterfall horn cover

Buyer’s Guide

Types of Air Horns For Motorcycles

Air Horns For Motorcycles


If you choose the right model, you can get really loud air horns. They are usually one-piece units that are quite easy to install.

You are required to take into account the compressor’s duty cycle, the tank’s capacity, and the working pressure when using these. Look only at ones with the highest air pressure if you want the loudest.

This is determined by the capacity. One gallon of water equals four to five seconds when it is pumped at 150 PSI. You’ll need a larger tank and a more powerful compressor if you want to use it for a longer period.

  • Are they legal everywhere?

Each state has different laws concerning motorcycle horns. You should, therefore, contact the local authorities in the area in which you live to determine whether the particular type of cannabis is legal.

Air horns are only allowed on emergency vehicles in most states. Many states only let them function when integrated with anti-theft alarms. In that case, you should not honk your horn while driving due to the noise pollution that results.


A greater level of visibility on the road is ideal with these. This type is louder than other types and sounds like a freight train horn.

Some high-quality models can be installed on bikes, motorcycles, cars, trucks, trikes, and other similar vehicles.

Knowing that laws differ between states is important when it comes to laws. If you use it around a neighborhood, you might be cited for their loudness. If you plan to purchase this type of device, be sure to check your state’s laws first.


These relatively new products are as their name suggests. However, not everyone will enjoy them.

You can customize the sound of the novelty horn to suite your taste. A horn sound is usually featured, but you can choose to have something else.

Most commonly, it can be easily installed on a wide variety of bikes and vehicles. You should check to see if it is legal in your state before you choose one.


Tests are frequently conducted by manufacturers under controlled conditions, which are often enclosed. As a result, the device may sound dramatically different outdoors or on the open road.

The sound’s variance should also be considered. A loud device facing the wrong direction might not be as loud as one facing the right direction. You will definitely hear a lower amount of noise when you point it down or under body work. When pointing upwards, it will certainly sound louder.

If you have one horn or two in the set, you’ll get different sounds depending on the trumpet’s size. Shorter and thinner trumpets usually have a higher pitch, and longer and wider trumpets usually have a deeper tone.


Technical performance isn’t affected much by weight. A sturdy, windproof construction will prevent the wind from blowing it away. If it’s heavy, make sure the motorcycle isn’t too heavy.


Installation is relatively simple for most of the horns we reviewed. Make sure you always read the instruction manual before beginning. This guide will show you how to attach a motorcycle horn, if you don’t know how.

Installation Space

You should check where you can mount any particular model before purchasing it, since its location greatly affects its performance. When the same device is mounted in two different locations, its sound can be very different. It’s the one right under the headlight that’s the best under the bike.

DIY Installation Mini Guide

Once you’ve found a place for you to mount it, you should check if it came with any mounting hardware.

See the instructions you got for specific details about the power source your device needs. AA batteries or motorcycle batteries will be needed if you choose a novelty or train horn. However, there is no need for a power source with the air type.

A metric open-ended wrench is used to disconnect the negative cable from the battery. On the wiring harness for the bike, find the positive horn connection.

Lastly, connect the positive connection to and secure the red wire of the horn. Connect the ground connection of the wiring harness to the ground wire of the horn.

Ensure that all connections are secure by checking them one by one. Be sure that nothing but the mounting hardware touches the horn. I wouldn’t expect it to work well if it’s touching anything else.

Pros of Professional Installation

You might want to leave the 12-volt installation to the pros if you don’t have any experience with the process.

Despite its seemingly simple nature, it can become quite complicated if you are not careful.

Professionals know how and where to install this type of installation, which is the biggest advantage. The process is usually completed in no time since they are a lot faster.

Frequently Asked Questions

Can I use a car horn?

It would seem that size would be an important factor. Your motorcycle might be too heavy and bulky for something like this. You will also need a dedicated power line for car horns since they use more electricity.

Your mechanic can provide you with some professional assistance if you are determined to do this. An experienced bike owner usually knows what to do for your particular bike. An appropriate honk can be recommended based on their experience.

You should keep in mind that this will add a bit more weight to your motorcycle, but it will also increase safety as a result of the loud sounds.

Are novelty horns legal?

The legality of these devices in most states is an issue, as we mentioned. Often, their sounds are confused with other things due to the variety of sounds they can produce.

It is possible for someone to not recognize that the motorcycle horn sounds like a song when you honk at them. As a result, some states have banned them since they can lead to accidents.


You need to have a Best Air Horns For Motorcycles Harley for your motorcycle. When driving, it is useful to be able to alarm someone in certain situations.

Despite not protecting against accidents, it may be able to prevent them. Thus, it must be able to emit a lot of sound and be reliable.

Choose quality models because a dead horn just when you need it most is the last thing you want. Verify that it is legal in your state as well as its sound levels.

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