ECM W/AUTOTUNE 17-20 FLHT

Includes 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 available to download for your bike (based on 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

Software program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation

Utilizes wide-band oxygen sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycle’s air/fuel ratio for all riding conditions

ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness

Easy installation: replace the factory ECM, install new oxygen sensors and harness, load the correct map for your bike, and ride

New maps, software, firmware updates, map analysis and tech support available online at no charge

Adjustable front and rear cylinder AFR maps, ignition timing (spark) maps, and startup maps

Works with all popular exhaust systems and is compatible with high-performance camshafts

Rider can adjust idle speed, rev limit and speedometer calibration

Improves throttle response, exhaust sound and driveability

Supports turbo, nitrous and supercharger applications

Does not require dyno tuning

Made in the USA

Will not work on trikes with traction control.
ThunderMax modules use wide band 18 mm O2 sensors; users may need to weld-in 18 mm bungs in the stock head pipe, 3″-4″ from cylinder heads on both front and rear.