How to Upgrade Your Subaru’s Performance and Safety with Hella Horns: A DIY Installation Guide

Subaru drivers know that having a loud and effective horn is crucial on the road. It not only helps you to get the attention of other drivers in emergency situations, but it can also improve the overall appearance of your vehicle. If you’re considering upgrading your Subaru’s horn to a Hella horn, you’ve come to the right place. In this DIY guide, we’ll walk you through the process of installing Hella horns in your Subaru, step-by-step.

Types of Hella Horns available for Subaru cars

There are various types of Hella horns available on the market, but not all are suitable for your Subaru. For Subaru owners, the most popular Hella Horns are the Sharptone and Supertone models. Sharptone is a high-pitched horn that produces a bright and crisp sound, while Supertone produces a deep and loud tone that is usually preferred in off-road conditions or in larger vehicles. Both models are built with quality materials and offer a superior sound output, making them an excellent choice for Subaru owners.

Tools you’ll need for the installation

Before you start the installation process, you’ll need a few tools to help you complete the job. Here is a list of items that you’ll need:

  • Hella horns
  • Wiring kit
  • Mounting bracket
  • Electrical tape
  • Screwdriver set
  • Wrench set
  • Protective gloves

Step-by-step Guide to Installing Hella Horns in Subaru

Step 1: Remove the old horns – Start by removing the old horns from your Subaru. Locate the horn assembly under the hood of your vehicle. Use a screwdriver to remove the bolts that hold the horn in place. Once the bolts are removed, you should be able to detach the horn assembly from the vehicle.

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Step 2: Prepare mounting bracket – Take the mounting bracket provided with the Hella horns and align it with the factory mounting points. Tighten the bolts on the bracket to secure it in place.

Step 3: Install Hella horns – Take the Hella horns and attach them to the mounting bracket using the bolts provided. Make sure the horns are facing in the correct direction and are securely attached to the bracket.

Step 4: Wire the horns – Take the wiring kit provided and connect it to the Hella horns according to the manufacturer’s instructions. Make sure the wiring is secure and does not interfere with any other components under the hood.

Step 5: Test the horns – Once the installation is complete, test the horns to make sure they are working properly. If the horns are not producing any sound, check the wiring connections to make sure they are secure.

Troubleshooting Tips

If you encounter any difficulties during the installation process, refer to the manufacturer’s manual or seek the advice of a professional mechanic. It’s essential to follow the instructions carefully to avoid damaging other components under the hood.

Safety Precautions

Before starting the installation process, always wear protective gloves to avoid any injuries. Make sure to disconnect the battery before removing any components under the hood to avoid any electrical shocks.


Upgrading your Subaru’s horns to Hella horns is a worthwhile investment. In addition to improving the performance and safety of your vehicle, it can also enhance its overall appearance. With this DIY installation guide, you can easily upgrade your Subaru’s horns and enjoy a superior sound experience on the road.

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Q: Can I install Hella horns in other vehicles besides Subaru?
A: Yes, Hella horns can be installed in any vehicle, but you need to ensure that the horns you choose are compatible with your vehicle’s make and model.

Q: How long does it take to install Hella horns in Subaru?
A: The installation process of Hella horns in Subaru should take around 30-45 minutes, depending on your experience with car modifications.

Q: Do Hella horns come with a warranty?
A: Yes, Hella horns typically come with a manufacturer’s warranty that covers any defects or issues with the product.

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Alton Brobst

As a longtime Subaru enthusiast, Alton brings a wealth of knowledge and experience to our blog. From his early days of tinkering with engines to his current role as a certified Subaru technician, Alton has seen it all when it comes to Subarus. When he's not working on cars, he enjoys hiking and exploring the great outdoors.

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