Description
If you’re running a tuned Harley or performance big twin, your factory ECM is holding you back. The ThunderMax ECM with Auto-Tune 309-382 replaces that limiting computer with a closed-loop tuning system that continuously adapts your air/fuel ratio across all riding conditions—no dyno required. Bolt it in, load your bike’s map, and the integral auto-tune handles the rest while you gain throttle response, smoother driveability, and the ability to support forced induction or high-lift cams.
Key Features & Specifications:
- ThunderMax ECM module
- Integrated Auto-Tune system
- Two wide-band O² sensors
- Plug-in factory harness connector
- TMax tuning software included
- USB communication cable
- Adjustable front/rear AFR maps
- Adjustable ignition timing maps
- Adjustable startup maps
- Idle, rev limit, speedometer calibration
- Closed-loop self-adjusting control
- Live monitoring and datalogging
- Diagnostic code recognition
- Bolt-on installation (ECM replacement)
- Compatible with all exhaust systems
- Supports turbo applications
- Supports nitrous applications
- Supports supercharger applications
- Works with high-performance cams
- Free firmware updates lifetime
- Free map downloads available
- Technical support included
- Made in U.S.A.
- MPN: 309-382
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