California ARB-legal complete replacement engine management system for Delphi®-equipped EFI model Harleys listed below
ThunderMax 50 automatically corrects air/fuel ratios through the use of wide-band oxygen sensors and the ThunderMax AutoTune module
This system allows continuous AFR tuning, keeping the engine at the specified air fuel ratio regardless of the changes in ambient conditions or terrain the vehicle is being operated in – without tuning on a dynamometer
Features increased torque and power over the stock system and maintains excellent fuel economy
System properly self-tunes aftermarket exhaust systems automatically
2001-2006 models will require exhaust systems equipped with or modified for oxygen sensor bungs
Adjustable rev limiter
Provides access to read vehicle diagnostic trouble codes