ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary AutoTune technology with wide-band oxygen sensors to deliver
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Tech Tips:-
Exhaust Note: On 2012up Softail models, the OEM exhaust system has 12mm o2 ports. The factory 12mm exhaust system is not compatible with the 18mm ThunderMax oxygen sensors. Models with 12mm ports require the purchase an a
