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- 6-12% increase in MPG
- Speed limiter adjustments
- Diagnostic reader
- Emissions tested
Bully Dog’s ECM Tuner is a response to Owner Operators looking to tune and go. This heavy-duty tuner is streamlined to include 3 power levels, a speed limiter calibration feature and DTC Trouble Code Reader. The beauty of the ECM tuner is in its simplicity; simply select the desired power level for the drive ahead, complete the install and store the tuner in your vehicle to enjoy the perks of the Bully Dog Tuning.