Rockford Fosgate HD9813RG-STG3 Harley Audio Kit for 1998–2013 Street Glide & Road Glide – Full System Performance at Highway Speeds

If your 1998–2013 Harley-Davidson audio system struggles to be heard while riding, the limitation is not just volume—it is the design of the factory system.

The Rockford Fosgate HD9813RG-STG3 is a model-specific upgrade kit engineered to improve overall system performance, output, and clarity for Harley touring motorcycles.

This is a structured upgrade designed to move beyond factory limitations and deliver usable sound in real riding conditions.

Built for 1998–2013 Harley Touring Models

This kit is designed specifically for:

• 1998–2013 Harley-Davidson Street Glide
• 1998–2013 Harley-Davidson Road Glide
• Harley-Davidson touring models (pre-2014 platform)

All components are designed for proper fitment and integration with these motorcycles.

What This Upgrade Is Designed to Improve

Factory Harley audio systems from this generation are limited by:

• low overall output
• weak clarity at speed
• limited system balance

This upgrade is designed to improve:

• usable volume while riding
• clarity across mid and high frequencies
• overall system balance

What Is Included in the HD9813-STG3 Kit

The HD9813RG-STG3 is sold as a model-specific system kit.

Kit contents may vary slightly based on application, but are engineered to work together and typically include:

• Rockford Fosgate Harley-specific speakers
• system components designed for integration
• wiring and installation hardware required for fitment

What Does a Stage 3 Harley Audio Upgrade Mean

Within the Rockford Fosgate system lineup, a Stage 3 upgrade represents a more complete system improvement compared to entry-level upgrades.

This typically means:

• expanded system capability beyond basic speaker replacement
• improved output and clarity
• a more balanced listening experience

Can You Hear Music on a Harley at Highway Speeds

With a factory system, this is often difficult.

Upgraded systems like the HD9813RG-STG3 are designed to improve performance in real riding environments where wind and road noise are factors.

Real-World Performance Expectations

After installation, riders typically experience:

• improved clarity compared to factory audio
• stronger overall sound presence
• better usability while riding

Performance will vary based on installation, supporting components, and overall system configuration.

Recommended Supporting Upgrades

For riders looking to maximize performance, this kit is often paired with:

Rockford Fosgate PMX-HD9813 Harley Radio Upgrade

https://stereoinstalls.com/products/rockford-fosgate-pmx-hd9813-harley-radio

Additional amplification or speaker upgrades may further improve system output depending on goals.

Learn More About Harley Audio Upgrades

To understand how motorcycle audio systems are built and upgraded:

https://stereoinstalls.com/blogs/blog-pages/rockford-fosgate-harley-audio-upgrade-mentor-ohio

Motorcycle Audio Installation in Mentor, Ohio

Stereo Installs provides professional Harley-Davidson audio installation services.

7471 Tyler Blvd Ste B
Mentor, Ohio 44060

Serving:

• Cleveland
• Mentor
• Willoughby
• Parma
• Painesville
• Northeast Ohio

Services include:

• Harley audio upgrades
• Rockford Fosgate system installation
• custom motorcycle audio solutions

Get a quote:
https://stereoinstalls.com/pages/get-a-quote

Frequently Asked Questions

Will this fit my 2009 Road Glide?
Yes, this kit is designed for 1998–2013 Harley touring models.

Is this a plug-and-play upgrade?
Installation is simplified with model-specific components, but professional installation is recommended.

Will this make my system louder?
This upgrade is designed to improve overall system performance, including usable output and clarity.

Do I need to upgrade my radio?
Not required, but upgrading the source unit can improve system performance.

What makes Stage 3 different from lower stages?
Stage 3 represents a more complete upgrade focused on improved system performance and balance.

Upgrade Your Harley Audio with a Properly Engineered System

Improving your Harley audio system requires more than replacing a single component. A properly designed upgrade kit delivers better results.

The Rockford Fosgate HD9813RG-STG3 is built to improve clarity, output, and overall listening experience for 1998–2013 Harley touring motorcycles.