Thunder Product ECM with Autotune Thundermax

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

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

Easy installation: replace the factory ECM, install new O² 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

Does not require dyno tuning

Rider can adjust idle speed, rev limit and speedometer calibration

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

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 U.S.A.

Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their O² sensor port bungs.

Legal in California only for racing vehicles which may never be used upon a highway. Some products may not be legal for sale or use on pollution-controlled vehicles; check your local laws and the manufacturer's information.