Will I need anything else to install the kit if I want to run it to a separated horn button? or you're supposed to wire in to the stock button?

It really depends on what your putting the horn on, such as a car with an exiting relay etc. I put it on a toy 12 volt tractor that kids can ride on and all I did was go to the local automotive store and purchase a horn button. I also bought some wire and spade terminals which are cheap, and wired it up with just the parts that came with it except for the wire, terminals and horn button which totaled about $10.00 dollars. I did not use the relayand everything is working fine. By the way, they are loud!

Can the tone on this be adjusted? If yes, how?

By changing out the horns and increasing the air pressure. Which is not an option with these

This has problably been ask but do i need to use the relay if im going straight to tje stock horn wires

Yes, the amp draw of the compressor is probably more then the stock horn.

Is it possible to get spare mounting hardware? I need the plastic shim the horn mounting bolt goes through.

Have a picture? Worse case scenario you can probably just make one.

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Trumpet Horn

Product ID: 371710237

Details

Brand
Hella
Colour
black
Material
Plastic
Item dimensions L x W x H
22 x 13 x 15.2
Voltage
12 Volts

🔊115 dB sound blast

⚙️Universal 12-24V fit

🛡️100+ years trusted tech

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£56.41

Duties & taxes included

In stock

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Description

🚨 Make your presence impossible to ignore!

SAFETY MEETS STYLE - More than just noise—this horn adds a critical layer of safety, making your drive confidently noticeable.
LEGACY OF RELIABILITY - Backed by Hella’s century-long expertise in automotive sound tech for unmatched durability and performance.
PLUG PLAY UNIVERSAL FIT - Compatible with 12-24V systems for seamless installation on cars, buses, motorcycles, and more.
SLEEK BLACK TRUMPET DESIGN - A stylish, compact profile (4.5" x 5.6" x 7.9") that complements any vehicle aesthetic.
COMMAND ATTENTION INSTANTLY - 115 dB ultra-loud horn cuts through any noise, ensuring you're heard when it matters most.

The Hella Trumpet Horn delivers a powerful 115 dB sound output with a sleek black trumpet design, engineered for universal 12-24V vehicle compatibility. With over 120 years of innovation, this ultra-reliable air horn ensures maximum safety and attention on the road, backed by a trusted global automotive leader.

Specifications

ASIN	B01EG18WYO
Best Sellers Rank	#36,969 in Automotive ( See Top 100 in Automotive ) #26 in Musical Horns
Brand	Hella
Brand Name	Hella
Color	black
Colour	black
Compatible with Vehicle Type	Bus, Motorcycle
Country of Publication	China
Customer Reviews	4.2 out of 5 stars 443 Reviews
Fit Type	Universal Fit
Fit type	Universal Fit
Global Trade Identification Number	04082300618181
Included Components	HELLA 3PA 013 410-011 Fanfare
Item Dimensions	22 x 13 x 15.2 centimeters
Item Type Name	HELLA 3PA 013 410-011 Fanfare
Item Weight	20 Grams
Item dimensions L x W x H	22 x 13 x 15.2 centimeters
Manufacturer	HELLA
Manufacturer Part Number	3PA 013 410-011
Manufacturer Warranty Description	Limited 1 Year
Material	Plastic
Material Type	Plastic
Noise Level	115 Decibels
Style Name	Without cable set
Unit Count	1 Count
Voltage	12 Volts

Reviews

M**.

Nice..

i installed it to boat and working very well...For now its okay ....

6.05.2024

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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