Optimized Stock Tune Only L5D (2019-2023)

Optimized Stock Tune Only L5D (2019-2023)

Light Tow ECM Tuning Incl. Hardware & Credits L5D (2019-2023)

Light Tow ECM Tuning Incl. Hardware & Credits L5D (2019-2023)

Sport ECM Tuning Incl. Hardware & Credits L5D (2019-2023)

Our custom Sport Tune is the most power and torque we can legally give you with your emissions intact. We unleash the power of your 2019, 2020, 2021, 2022, 2023 Chevy Silverado 4500HD, 5500HD, 6500HD, or International CV515 truck constrained by factory settings that you can feel in your stomach and the seat of your pants! This tune should be used sparingly and responsibly.

  • Safely add power
  • Custom tire size and speed limiter calibrations
  • Easily maintain speed 

As low as $3,197.92

In stock

Customize Sport ECM Tuning Incl. Hardware & Credits L5D (2019-2023)
L5D Single Tune   + $750.00
HP Tuners RTD+   + $399.00
ECM Unlocked Controller - Core   + $1,649.00
HP Tuners GM Credits x 8 for ECM   + $399.92

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Sport ECM Tuning Incl. Hardware & Credits L5D (2019-2023)
Sport ECM Tuning Incl. Hardware & Credits L5D (2019-2023)

In stock



    Our Custom Sport Tune

    • Emissions Intact – you do not remove your emissions equipment
    • Peak Horsepower & Torque
      • +150 HP, +270 ft-lbs torque
      • 595 Total HP, 1180 ft-lbs Total torque 
      • Fastest possible acceleration
      • Firm shifting
      • No dead pedal
      • Biggest adrenaline rush we can give you
    • Who Wants this Tune?
      • You want the most power you can get
      • Plan on building your truck for more power in the future
      • Someone who does not care much about their warranty
      • You can technically still tow, but gauges (including EGT) need to be
      • monitored
      • Want the power without the headache that your older modified truck had
    • Inappropriate use of the Sport Tune
      • Too much power for towing without the proper gauges
      • This tune should only be used during sanctioned competition and or on private property
      • Enough power for an irresponsible driver to damage his truck
      • Lending your truck to someone not experienced with driving a tuned truck or weak or average driving skills
      • Installing Sport as a single tune for frequent use without the proper supporting modifications including:
        • Low Pressure Lift Pump
        • Fuel Sump or equivalent upgrade
        • Transmission Tuning
        • Cold Air Intake
        • Exergy Fuel System Saver or Upgraded CP4
      • We recommend using Sport in our Switch on the Fly for occasional and appropriate use for our typical customers.
    • Custom Tuning from DuramaxTuner.com
      • Fully customized tuning with more than 100+ calibration changes from stock
      • No hacking wires into control units or fuel pump and turbo sensors
      • More power and less soot than box programmers
      • World Class Customer Service team that actually answers the phone!

      Hardware Included

      Modified ECM Included (Engine Control Module)

      • We stock modified ECM hardware and ship directly to you
      • Remove your factory ECM and replace with our Modified ECM
      • Flash our custom tunes using the RTD Hardware and required HP Tuners Credits
      • Ship us your factory ECM; we will refund you $1,000 when confirmed in working order

      RTD Hardware by HP Tuners Included

      • Connect > Read > Edit > Write > Drive.
      • Equipped with Bluetooth®, Proprietary Expansion Port, and Mobile Device Support
      • Makes it faster and easier to read, edit, and write your vehicle’s software.
      • VCM Editor and VCM Scanner and programming/USB cables, making up the essentials of VCM Suite - one of the most powerful and inclusive scanning, diagnostic, logging and calibration products on the market.
      • Full support for our latest rendition of Track Addict - the fastest scanning, logging and data transmission rates to ensure you capture everything.
      • VCM Scanner, the most powerful and comprehensive scan tool on the market.
      • View, chart, and log diagnostic data in real-time via the OBDII diagnostic data port.
      • View and clear Diagnostic Trouble Codes (DTCs) along with other vehicle module information. Command control functions like a closed loop, fans, gear select, timing, air-fuel ratio and so much more all in real-time. 

      HP Tuners Universal Credits Included

      • 8 credits required for ECM tuning

      Transmission Tuning

      • 10-Speed Allison Transmission for 2019+ L5D Duramax

        Extra attention has been invested to develop our engine tuning for L5D’s with the 10-Speed Allison. Currently, there is no TCM Tuning available for these transmissions. However, we have spent countless hours going through every aspect of the ECM Tune File to ensure you have the best driving and most effective tuning possible.

      Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov