ECM AUTOTUNE 2025 and Up Softail

Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their O2 sensor port bungs. Made in the USA Does not require dyno tuning. 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 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 Easy installation: replace the factory ECM, install new oxygen sensors and harness, load the correct map for your bike, and ride 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 Improves throttle response, exhaust sound and driveability Rider can adjust idle speed, rev limit and speedometer calibration Works with all popular exhaust systems and is compatible with high-performance camshafts Adjustable front and rear cylinder AFR maps, ignition timing (spark) maps, and startup map Supports turbo, nitrous and supercharger applications Software program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation New maps, software, firmware updates, map analysis and tech support available online at no charge