bully dog

Bully Dog ECM Tuner

Thoroughbred Sku #: BULECMTUNER

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Product Details

Product Name: Bully Dog ECM Tuner
Manufacturer: Bully Dog
Thoroughbred Diesel Part #: BULECMTUNER
Fitment Notes: Cummins | Detroit | CAT | Paccar

Bully Dog Heavy Duty ECM Tuner is the perfect product for those fleet owners who want to tune and go. This Heavy-Duty tuner is streamlined to include 3 power levels, a speed limiter calibration features, and a DTC trouble code reader. The beauty of the ECM Tuner is in its simplicity; simply select your desired power level for the drive ahead, complete the install and store the tuner on-board to enjoy the perks of Bully Dog tuning.

Bully Dog ECM Tuner Features:

  • 6% - 15% Power Increase
  • Speed Limiter Adjustments
  • 6% - 12% Fuel Mileage Increase
  • Diagnostic Trouble Code Reader
  • For more information on Bully Dog call us at 1-859-737-4966.

Power Levels:

  • Economy (6%-10% Gain)
  • Economy & Power (6%-12% Gain, 35HP-75HP)
  • Power (15% Gain, 75HP-100HP)


  • have a 2022 ford f450 6.7 need more power

    john burdon | 12/11/2021

    This product will not work for your vehicle.

  • I have a 2021 gmc sierra AT4 3.0 duramax. Do you guys have a tuner for my truck? Thank you...

    Michael A Feyerer | 6/8/2021

    Yes, here is the link

  • Need a tuner for a 2008 Chevy C5500 LMM, is the Bully Dog compatible with the truck? If not what do you have that is?

    Chubs | 3/25/2021

    No, this tuner will not work for the C5500.

  • will this tuner work on a 1997 gmc k2500 6.5 diesel

    Roman Zakotiria | 12/30/2020