RFK-HD14 – Rockford Fosgate 2014+ Harley Davidson Road Glide and Street Glide Amplifier Wiring Kit. The RFK-HD14 is an amplifier installation kit for the Power Marine TM400X4ad amplifier on Harley-Davidson® model years 2014 to current. All new design features t-harness integration for fading front/rear capable systems requires Rockford Fosgate flash. Integrates into factory electrical system […]