ThunderMax Integral Auto Fuel ECM Air Management System Harley Softail 2018-2020

BRAND NEWPART # 309-589
Fits 2018-2020 Harley Softail Models
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 O² 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 O² 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 and works with all popular exhaust systems and is compatible with high-performance camshafts  The rider can adjust idle speed, rev limit and speedometer calibration.
Improves throttle response, exhaust sound and driveability and supports turbo, nitrous and supercharger applications
Does not require dyno tuning
Made in the U.S.A.
TECH NOTE: Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their O² sensor port bungs.