Effortless installation with no wiring modifications for quick setup
Autotune technology optimizes fueling in real time for smoother engine operation
Wide band O2 sensors ensure precise air-fuel ratio control under all conditions
Built-in barometric sensor maintains consistent performance at varying elevations
Advanced tuning software allows full customization of the ECM
Summarized by Shop
08-13 Harley Davidson Bagger ECM and Auto-Tuner by ThunderMax Performance. The Ultimate EFI Upgrade.
Enhance Your Harley Davidson® with ThunderMax ECM
ThunderMax is an award-winning performance ECM designed exclusively for EFI-equipped Harley Davidson® motorcycles. This advanced, stand-alone tuning system leverages AutoTune technology an
Compatibility
2008-2013 Harley Davidson Baggers with EFI systems
Installation
100% assembled, no wiring modifications required
Fueling Technology
Autotune, wide band O2 sensors, barometric compensation