Thundermax Engine Control Module M8 Touring 2023-up

Description

**** See Fitment below ****

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
Notes
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

**** But Dirty Customz does recommend it ****

For off-road competition use only in all states including CA

NO RETURNS ON Electrical or ECM PRODUCTS

Fitment:

2025 Harley-Davidson FLTRXSTSE CVO Road Glide ST
2025 Harley-Davidson FLTRXRRSE CVO Road Glide RR
2024-2025 Harley-Davidson FLHX Street Glide
2024-2025 Harley-Davidson FLTRX Road Glide
2023-2025 Harley-Davidson FLHXSE CVO Street Glide late: 2023
2023-2025 Harley-Davidson FLTRXSE CVO Road Glide
late: 2023