THUNDER HEART PERFORMANCE

Ecm Engine Controller 2025 Softail Models

Part # 1020-4290

• —ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness
• —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
• —Easy installation: replace the factory ECM, install new oxygen sensors and harness, load the correct map for your bike, and ride
• —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
• —Improves throttle response, exhaust sound and driveability
• —Rider can adjust idle speed, rev limit and speedometer calibration
• —Adjustable front and rear cylinder AFR maps, ignition timing (spark) maps, and startup map
• —Works with all popular exhaust systems and is compatible with high-performance camshafts
• —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
• —Made in the USA
• —Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their O2 sensor port bungs.
• —Does not require dyno tuning.