THUNDERMAX ECM'SIncludes ThunderMax ECM with Auto Tune Module, plug in harness and two wide band sensors, TMax software and communication USB cable, Quick Start Easy Install and Comprehensive User's Manual, technical support, and free software and updates Hundreds of maps are available to download for your bike (based on the model, engine size, exhaust system air cleaner, pistons, cams, etc.) load the map of your choice and the integral auto tune will do the rest The
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