Installation Manuals & User Guides October 30, 2026 10:13 Updated eFlexPlus & eFlexPro: eFlexFuel installation and user guide (pdf) eFlexPro guide (pdf) eFlexPlus installation video (Playlist) eFlexPro installation video eFlexPlus Direct eFlexPlus Direct installation and user guide (pdf) eFlexMotoeFlexMoto installation videoeFlexTunereFlexTuner (pdf)