Adapter plate required to bolt Hogtunes 4-channel amps into 14-20 FLTR models
| Year | Make | Model |
|---|---|---|
| 2015 - 2020 | Harley-Davidson | Road Glide Custom FLTRX |
| 2015 - 2020 | Harley-Davidson | Road Glide Special FLTRXS |
| 2016 - 2020 | Harley-Davidson | Road Glide Ultra FLTRU |
