MasterTune2-HD is a Windows-based ECM calibration development tool developed and designed specifically for use on all Delphi-equipped Harley-Davidson® motorcycles from 2001 through 2018.
MasterTune2-HD works with all TTS communications interfaces. Some features may not be supported on all communications interfaces.
MasterTune2-HD includes the following key features: Saves the original factory calibration automatically. Easily restore the original factory calibration back into the ECM. Preset limits to prevent adjusting values beyond reasonable settings.