2014+ Harley-Davidson Road Glide, Street Glide, Ultra & CVO Amp Install Kit (Gen-3) RFK-HD14M5

2014+ Harley-Davidson Road Glide, Street Glide, Ultra & CVO Amp Install Kit (Gen-3) RFK-HD14M5

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.

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This complete kit includes a heatsink, bracket, hardware and wiring harness needed to install the M5-800X4 amplifier on select 2014 and newer Harley-Davidson® motorcycles.  T-Harness allows for complete electrical integration without cutting or modifying factory wiring.  Includes Boom!™ Audio bypass plugs for factory Harman Kardon® amplified systems and a Digital Signal Processor loop-thru for adding a DSR1 signal processor.

You must flash your factory radio to use this kit. Ready to flash? Here’s a list of dealers that can flash your radio. Refer to our COMPATIBILITY chart to verify fitment before purchasing.

Harley-Davidson® , Road Glide®, Street Glide®, Electra Glide® and Boom!® Audio 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.


  • FULL spec cable - meets or exceeds AWG (American Wire Gauge) requirements
  • Plug and Play design for easy installation
  • 100% Pure Crystal-Oxygen Free Copper (PC-OFC)
  • 90-degree harness included with amp install kit for Road Glide® installations
  • Y-adaptors supports expansion of speakers in lower fairing, saddlebag, or Tour-Pak®
  • Designed for use with 2014-Current Harley-Davidson® Motorcycles
  • Designed for use with M5-800X4 amplifier
  • Designed for use with TM400X4ad amplifier
  • Includes mounting brackets for Bat Wing and Shark Nose fairings
  • T-harness supports front/rear fader (requires flash: "Rockford Fosgate 2014+ All Bikes")
  • Includes Boom!™ Audio bypass plugs for factory Harmon/Kardon® amplified systems
  • Factory Harley-Davidson® radio must be flashed to use this kit

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

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Includes Power Wire

This amplifier kit includes power wire by including necessary cable for both B(+) and GND(-) connections. ...

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Includes Fused Dist.

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

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Battery PWR/GND Gauge
Fuse Size
60 Amp
Fuse Type
Amplifier PWR/GND Gauge
Speaker Wire Gauge
16 AWG
Dual Amp Installation Kit

2 Compatible Harley-Davidson® Motorcycles

2014-current Harley-Davidson® Street Glide® 1 FLHX Bat Wing
2014-current Harley-Davidson® Street Glide® Special1 FLHXS Bat Wing
2014–current Harley-Davidson® Electra Glide® Ultra Classic®1 FLHTCU Bat Wing
2014–current Harley-Davidson® Electra Glide® Ultra Limited1 FLHTK Bat Wing
2017–current Harley-Davidson® Electra Glide® Ultra Limited Low 1 FLHTKL Bat Wing
2015–current Harley-Davidson® Tri Glide® Ultra Classic®1 FLHTCUTG Bat Wing
2015–2020 Harley-Davidson® CVO Street Glide® (4-speaker)1 FLHXSE Bat Wing
2018–2020 Harley-Davidson® CVO Street Glide® (6-speaker)1 FLHXSE Bat Wing
2014–current Harley-Davidson® CVO™ Limited1 FLHTKSE Bat Wing
2016–current Harley-Davidson® CVO™ Ultra Limited1 FLHTKSE Bat Wing
2014–current Harley-Davidson® CVO™ Ultra Limited Electra Glide1 FLHTKSE Bat Wing
2015-current Harley-Davidson® Road Glide® 1 FLTRX Shark Nose
2015-current Harley-Davidson® Road Glide® Special 1 FLTRXS Shark Nose
2015–current Harley-Davidson® Road Glide® Ultra1 FLTRU Shark Nose
2018–2020 Harley-Davidson® CVO Road Glide® (4-speaker)1 FLTRXSE Shark Nose
2015–current Harley-Davidson® CVO™ Road Glide® Ultra1 FLTRUSE Shark Nose

1 Requires factory Harley-Davidson® radio to be flashed. Read more here.


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.

1 Required Amplifier

M5-800X4 Element Ready™ IPX6 800 Watt 4-Channel Amplifier
TM400X4ad Power Marine 400 Watt Class-ad 4-Channel Amplifier


Return Authorization

Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.



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