Autotune technology enables automatic fuel management at every throttle position for smoother engine performance
Wide band oxygen sensors provide real-time air-fuel ratio monitoring for precise control
Barometric sensor automatically adjusts for changes in altitude and weather, eliminating manual corrections
Pre-assembled, ready-to-install design requires no wire cutting or splicing for hassle-free upgrades
Fully adjustable tuning software allows for both custom and pre-loaded map options to suit any riding style
Summarized by Shop
ThunderMax ECM: Award-Winning Performance for EFI Harley Davidson® Motorcycles
What is ThunderMax ECM? ThunderMax ECM is a performance engine control module (ECM) specifically designed for EFI-equipped Harley Davidson® motorcycles. This industry award-winning tuning system uses AutoTune technology combined with wide-band oxygen sensors t
Compatibility
EFI Harley Davidson motorcycles (2011 and newer)
Installation
Standalone ECM, no wire cutting or splicing required