8 Loudest Motorcycle Horns: Top Picks for Complete Safety

The loudest motorcycle horns are essential for drawing attention to your presence whenever you’re on the road. The sound from these accessories can cut through blaring traffic noises and distracted drivers, potentially avoiding traffic accidents.

Loudest Motorcycle Horns ~ Ran When Parked

In this blog post, we’ll walk you through the motorcycle horns that make the loudest noise on the road. Thus, whether you’re looking to purchase a new motorcycle or upgrade an existing one, this guide will enable you to make the best choice.

The 8 Loudest Motorcycle Horns on the Market

The loudest motorcycle horns on the market include the Stebel Nautilus, Wolo Bad Boy, Fiamm Freeway Blaster, Marco Tornado, Vixen Horns and PIAA Sports Horn. The Denali SoundBomb, Hella SuperTone and the Screaming Banshee are also honorable mentions in this regard. However, a horn’s loudness is affected by other factors.

One factor is the wiring to the horn. If the wire is damaged or isn’t connected properly, there won’t be enough electricity supply to power the horn. Also, if the voltage from the battery is low, the sound produced would be of lower quality. Therefore, if you purchase any of these and detect low sound, check the wiring and the voltage to ensure they’re up to scratch.

1. Marco Tornado Motorcycle Horn

Marco Tornado Motorcycle Horn ~ Ran When Parked

Sound level 139 decibles
Weight 1.75 pounds
  • Loud
  • Durable
  • High cost
  • May break the law


If you’re looking for a motorcycle horn upgrade that’ll turn all heads in your direction, even in the busiest and noisiest of traffic, then the Marco Tornado is your go-to horn. The compact-sized instrument boasts sound levels of up to a whopping 159 decibels.

It weighs a measly 1.75 pounds, adding no weight to your motorcycle, but the sound is simply unbelievable. You can pair it with a 12V power supply, and the sound would travel up to 3 miles.

This loud horn can withstand all the weather elements and still give off that thunderous blast. The Marco Tornado motorcycle horn is tested before it leaves the factory, making it one of the best motorcycle horns.

In the unlikely circumstance that the horn kit disappoints through the fault of yours, its 2-year warranty means you get a replacement. Installation is quite easy as well; just download the manual from the web and follow the instructions.

2. Stebel Nautilus Compact Motorcycle Air Horn

Stebel Nautilus Compact Motorcycle Air Horn ~ Ran When Parked

Sound level 139 decibels
Weight 1.6 pounds
  • Very loud
  • Durable
  • Excessive noise
  • High cost


Coming in at second place is the notoriously loud Stebel Nautilus with 139 decibels of warning. The sound is a twin-tone combination of 530 Hz and 680 Hz respectively, which can be heard miles away.

However, you’ll surprised to see the source of the noise: a compact-sized air horn that can easily be installed on a motorcycle. It is made from ABS plastic and rust-resistant metal and is built to withstand all weather conditions.

The Stebel Nautilus features a water-resistant air compressor that runs on 12V of power and is responsible for making the thunderous noise. It usually comes with materials with which you can mount the device and can be fixed by anyone with basic electrical skills.

The manufacturer has placed a lifetime warranty on it, which is evidence of the high-quality materials used in making it. However, before installing it, check with the local laws because some states have banned the use of the Stebel Nautilus.

3. Fiamm Freeway Blaster

Fiamm Freeway Blaster ~ Ran When Parked

Sound level 139 decibles
Weight 0.55 pounds
  • Compact
  • Durable
  • Very loud
  • Complex installation


The Fiamm Freeway Blaster is another attention-grabbing that has a significantly louder tone compared to stock horns. At 0.55 pounds, the Freeway Blaster is one of the lightest horns on the market but produces an outstanding 139 decibels of sound.

The horn has an impressive build and can run on any 12V electrical system. Its housing is made from corrosion-resistant steel and features an aluminum coil motor with an ABS plastic chamber.

The Fiamm Freeway Blaster comes in various models, both high-pitched and low-pitched, allowing riders to choose the one that best suits their local laws. Installation is quite straightforward, requiring basic electrical and mechanical skills.

Just like the Stebel, the Freeway Blaster may have legal implications; thus, check with your local laws before installation. You can also visit the website to check out the various models and decide on which one is best for you.

4. The Electric Air Horns from Vixen Horns

Electric Air Horns from Vixen Horns ~ Ran When Parked

Sound level 139 decibels
Weight 2.15 pounds
  • Fully electrical
  • Easy installation
  • Quite heavy
  • Makes a big sound


The Vixen Horns Electric Air Horn produces the same sound decibels (139 Db) as the Fiamm Freeway Blaster and the Stebel, but it’s a different product. It is fully electrical and doesn’t need to use air tubes to draw in air like conventional motorcycle horns.

The horns have a dual-tone feature that produces 410 Hz and 510 Hz, respectively. It is a light device that doesn’t feature air tubes, making for easy installation on your motorcycle.

The electric horns come with a 4-Pin 12V/30A relay, a single bolt and other hardware that you can use to mount the device. Like the motorcycle horns above, you don’t need any advanced electrical installation skills to fix it on your motorcycle.

Following the instructions in the retail box is enough to install the device on your ride. However, its 139 decibels means you should check with local laws to avoid falling foul of the law.

5. The Screaming Banshee Motorcycle Horn

Screaming Banshee Motorcycle Horn ~ Ran When Parked

Sound level 132 decibels
Weight 1.7 pounds
  • Two modes
  • Quality materials
  • Higher noise levels
  • Complex installation


This motorcycle horn’s name aptly describes its 132 decibels of powerful sound, which can be heard several blocks away. The Banshee was a female spirit in Irish folklore who foretold the passing of a family member of the one who heard her scream.

It is believed that the scream could pierce through the loudest noises and could be heard from the furthest distances. Thus, the company adopted her name to characterize the powerful sound its horn produces.

The Screaming Banshee features two modes: Friendly and Angry. The Friendly mode has a milder sound and can be activated by lightly pressing the horn.

On the other hand, the Angry mode has a louder tone and is activated by pressing the horn with a bit of pressure. Once you press the horn, a flashing beam lights up, alerting other road users of your presence, especially in low-light conditions.

The horn is made from quality and durable materials that can withstand all sorts of weather conditions. Some versions of the horn feature a remote control unit that can be installed on the handlebars and used without taking your hands off the grip.

Its retail box contains all the installation kits and hardware you need to install the product. All you have to do is follow the instructions set out in the manual, and your horn will be ready in no time.

6. The Wolo Bad Boy

The Wolo Bad Boy ~ Ran When Parked

Sound level 128 decibels
Weight 1.6 pounds
  • Dual tone
  • Distinctive sound
  • Low sound
  • Expensive


The Wolo Bad Boy isn’t only a bad boy when it comes to sound; its design also allows it to fit in seamlessly with your ride. The Bad Boy produces sound levels of up to 128 decibels, which is one of the lowest on this list, but it makes up for it with its design.

The horn has a dual-tone sound, with one producing a lower frequency and the other a higher frequency sound. This tone combination gives it a powerful distinctive sound that would draw attention to you.

The Bad Boy has a space-saving aerodynamic design, making it easy to install on motorcycles. Its retail pack comes with an installation kit and a manual that highlights the necessary steps to install the package correctly.

It runs on a 12V power supply and is one of the cheapest horns on this list. Thus, if you want an attention-grabbing horn but don’t want to break the bank, consider purchasing the Wolo Bad Boy.

7. PIAA Sports Horn

PIAA Sports Horn ~ Ran When Parked

Sound level 115-120 decibels
Weight 0.88 pounds
  • Lighter
  • Easy to install
  • Low sound
  • Not compatible with some bikes


The PIAA Sports horn has a uniquely piercing sound that can wake sleepy and absent-minded road users. Its distinctive dual-tone sound gives off between 115 and 120 decibels of noise levels, significantly better than custom motorcycle horns.

The horn comes with an installation package that contains a wiring kit and mounting hardware. Though installation is straightforward, you’ll need basic mechanical skills, especially if your motorcycle has a complicated design.

The horn is designed with quality materials to stand the test of time and weather elements. Although it is designed to fit a wide range of motorcycles, you’ll need to check if it is compatible with your bike for purchase.

Its price is usually within the mid-range to premium option, depending on where you purchase it. Just like the other horns on this list, the PIAA Sports Horn requires constant maintenance, which includes checking the wiring harness to ensure its longevity.

8. The SoundBomb Motorcycle Horn

SoundBomb Motorcycle Horn ~ Ran When Parked


Sound level 120-136 decibels
Weight 0.96 pounds
  • Lighter
  • Fits a wide variety of bikes
  • No dual-tone
  • Complex installation


The SoundBomb is a popular choice among motorcyclists, and it’s known for its deafening sound, hence the name. It typically produces sound levels between 120 and 136 decibels, which is stronger than the 110 decibels produced by stock horns.

What’s surprising is that the SoundBomb isn’t dual-toned like some of the aftermarket options but still manages to let off that sound. It is manufactured with some of the finest materials and designed to withstand all weather conditions.

The Soundbomb is designed to fit various types of bikes, but some motorcycles have unique contours that make it impossible to fit. Thus, check the compatibility of your bike before purchasing it to ensure you’re buying the right fit. Also, its sound levels may be considered too high in certain jurisdictions; thus, ensure you comply with your local laws.


So far, we’ve looked at the loudest aftermarket motorcycle horns that can cut through all kinds of road noise and draw attention to you on the road. Here is a summary of the major points discussed in this blog post:

  • The top 8 loudest motorcycle horns the Stebel Nautilus, Wolo Bad Boy, Fiamm Freeway Blaster, Marco Tornado, Vixen Horns, SoundBomb and PIAA Sports Horns.
  • The compact-sized Marco Tornado boasts sound levels of up to a whopping 159 decibels but weighs a measly 1.75 pounds, adding no weight to your motorcycle.
  • Next is the notoriously loud Stebel Nautilus, with 139 decibels of sound produced from a twin-tone combination of 530 Hz and 680 Hz, respectively.
  • The Fiamm Freeway Blaster is another attention-grabbing device that weighs 0.55 pounds, has one of the lightest horns on the market, but produces an outstanding 139 decibels of sound.
  • The fully electric Vixen Horns from Electric Air Horn also produce 139 decibels of sound levels and have a dual-tone feature that produces 410 Hz and 510 Hz, respectively.

The Screaming Banshee, the loudest motorcycle horn for Harley Davidson, produces up to 132 decibels of powerful sound and allows you to choose between the milder “Friendly” tone or the louder Angry option. Then there’s the PIAA Sports horn with its distinctive dual-tone sound, which gives off between 115 and 120 decibels of noise levels, making the horn loud.

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