Product Description
THUNDERMAX Engine Control Module with Integral Auto Tune System – M8 Touring
Key Features
- 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.
Technical Specifications
- Weight: 2.90 lbs
- Supplier Number: 309-605
- Unit of Measure: Kit
Current Warehouse Inventory
Stock by Location:
- ✓ Janesville, WI: 20 units
- ✓ Batavia, NY: 17 units
- ✓ Dallas, TX: 4 units
- ✗ Fresno, CA: 0 units
- ✓ Reno, NV: 15 units
- ✓ Asheville, NC: 20 units
- ✓ National: 20 units
Total Available: 96 units
Inventory Last Checked: December 4, 2025 at 1:00 AM UTC
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From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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