Rockford Fosgate RFK-HD9813M51998-2013 Harley-Davidson Road Glide, Street Glide & Electra Glide Amp Install Kit (Gen-3)
Gen-3 amp install kit engineered to install the M5-800X4 amplifier on select 1998–2013 Harley‑Davidson Road Glide, Street Glide and Electra Glide models. Designed for plug-and-play installation and built for motorcycle environments.
Highlights
- Full Spec Cable meets or exceeds AWG (American Wire Gauge) requirements
- Plug-and-Play design for easy installation
- Cables use 100% pure crystal-oxygen free copper (PC-OFC)
- Compatible with TM400X4ad amplifier (sold separately)
Key specs
Full specs- Battery PWR/GND Gauge
- 8 AWG
- Amplifier PWR/GND Gauge
- 8 AWG
- Speaker Wire Gauge
- 16 AWG
- Fuse Size
- 60 Amp
- Fuse Type
- MAXI
- Dual Amp Installation Kit
- No
Key specs
Full specs- Battery PWR/GND Gauge
- 8 AWG
- Amplifier PWR/GND Gauge
- 8 AWG
- Speaker Wire Gauge
- 16 AWG
- Fuse Size
- 60 Amp
Highlights
Overview- Full Spec Cable meets or exceeds AWG (American Wire Gauge) requirements
- Plug-and-Play design for easy installation
- Cables use 100% pure crystal-oxygen free copper (PC-OFC)
Overview
Gen-3 amp install kit engineered to install the M5-800X4 amplifier on select 1998–2013 Harley‑Davidson Road Glide, Street Glide and Electra Glide models. Designed for plug-and-play installation and built for motorcycle environments.
Best for
- Riders who want to add the M5-800X4 amplifier to compatible 1998–2013 Harley‑Davidson Road Glide
- Street Glide or Electra Glide models with a plug-and-play solution.
Key points
- Includes heatsink, bracket, hardware and wiring harness required to install the M5-800X4 amplifier on specified models.
- Plug-and-play design integrates into the factory electrical system without cutting or vehicle modifications (verify fitment).
- Element Ready™ construction helps resist water, dirt, UV and motorcycle vibration.
- Cables upgraded to meet the current and voltage requirements of the amplifier; heat-sink provides extended thermal time under load.
- Includes Fused Dist. and power wire provisions (as noted in product technologies).
Fit and use
Intended to install the Rockford Fosgate M5-800X4 amplifier on select 1998–2013 Harley‑Davidson Road Glide, Street Glide and Electra Glide motorcycles. Confirm vehicle fitment using the product compatibility chart before purchasing.
What to know
This kit supplies the mounting hardware, heatsink and upgraded wiring necessary for the M5-800X4 amplifier and is designed to integrate with the factory electrical system without modifications. Review the compatibility chart for model-year fitment and verify that the M5-800X4 is the amplifier you plan to install.
Key features
- Full Spec Cable meets or exceeds AWG (American Wire Gauge) requirements
- Plug-and-Play design for easy installation
- Cables use 100% pure crystal-oxygen free copper (PC-OFC)
- Compatible with TM400X4ad amplifier (sold separately)
- Designed for use with M5-800X4 amplifier (sold separately)
- Includes mounting brackets for Bat Wing and Shark Nose fairings
- Includes rear speaker output harness for connection of rear speakers
- Y-adaptors supports expansion of speakers in lower fairing, saddlebag, or Tour-Pak®
- Designed for use with 1998-2013 Harley-Davidson® Motorcycles
- Includes Fused Dist.
- CTA-2015
- Includes Power Wire
More info
Manufacturer details
The next step in motorcycle performance, featuring simple plug-and-play installation creates the best in class on-bike audio experience.
Plug-and-Play Design: Designed to work right out of the box. Everything is included to make for easy installation and all to ensure less time in the garage and more time out riding.
Element Ready™: Purpose built for the harsh motorcycle environment. The speakers and amplifier are designed to stand up to water, dirt, UV, and motorcycle vibration, ensuring that your audio system will stand the test of time.
Compatibility Chart: Please review below tab for fitment before purchasing.
Additional details
UNRELENTING PERFORMANCE
This complete kit includes a heatsink, bracket, hardware and wiring harness needed to install the M5-800X4 amplifier on select 1998-2013 Harley-Davidson® motorcycles. The cables have been upgraded to provide the necessary current and voltage requirements for the amplifier, and the heat-sink provides extended thermal time under demanding situations. Integrates into factory electrical system without modifications or cutting.
Refer to our COMPATIBILITY chart to verify fitment before purchasing.
Harley-Davidson® , Road Glide®, Street Glide®, and Electra Glide® are registered trademarks of Harley-Davidson Motor Company. CVO™ is a trademark of Harley-Davidson Motor Company. Harom Kardon is a registered trademark of Harman/Kardon International Industries, Inc.
Technologies

Includes Fused Dist.
This amplifier kit includes fused distribution. It utilizes a stand-alone fuse holder that can be installed in a

CTA-2015
Rockford Fosgate cables conform to the CTA-2015 industry standard. The standard specifies the exact amount of

Includes Power Wire
This amplifier kit includes power wire by including necessary cable for both B(+) and GND(-) connections.
Specs
Specifications
| Battery PWR/GND Gauge | 8 AWG |
| Amplifier PWR/GND Gauge | 8 AWG |
| Speaker Wire Gauge | 16 AWG |
| Fuse Size | 60 Amp |
| Fuse Type | MAXI |
| Dual Amp Installation Kit | No |
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Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
Popular Questions
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Compatibility
Compatible Harley-Davidson® Motorcycles
| YEAR | MAKE | MODEL | FAIRING |
|---|---|---|---|
| 2006-2013 | Harley Davidson® | Street Glide® Ultra | Bat Wing |
| 2006-2013 | Harley Davidson® | Street Glide® | Bat Wing |
| 1998-2013 | Harley Davidson® | Electra Glide® | Bat Wing |
| 1998-2013 | Harley Davidson® | Road Glide® | Shark Nose |
| 1998-2013 | Harley Davidson® | Road Glide® Ultra | Shark Nose |
This amplifier installation kit is designed to interface only with the below aftermarket amplifier and Harley-Davidson® motorcycle. If your existing amplifier and motorcycle are not listed below, it is not compatible.
Kit requires factory Harley-Davidson® radio to be flashed.
Required Amplifier
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