Heavy Tow Tune Only L5P (2020-2023)

Heavy Tow Tune Only L5P (2020-2023)

Switch on the Fly Tune Only for EZ Lynk Auto Agent - Powerstroke 6.7L (2017-2019)

Switch on the Fly Tune Only for EZ Lynk Auto Agent - Powerstroke 6.7L (2017-2019)

Sport Tune Only L5P (2020-2023)

Our custom Sport Tune is the most power and torque we can give you with your emissions intact. We unleash the power of your 2020, 2021, 2022 or 2023 Chevy Silverado or GMC Sierra 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.

Want to talk with an expert about this product? Call us at 815-568-7920 Monday through Friday from 9-5 CST. 


As low as $600.00

In stock

Customize Sport Tune Only L5P (2020-2023)
L5P Single ECM Tune File - Sport (+150 HP)   + $600.00

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Sport Tune Only L5P (2020-2023)
Sport Tune Only L5P (2020-2023)

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 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!

      Required Options

      Modified ECM Purchase (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

      MPVI3 Hardware by HP Tuners

      • 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, is 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

      • 8 credits are required for ECM tuning

      Transmission Tuning

      • 10-Speed Allison Transmission for 2020+ L5P Duramax

        Extra attention has been invested to develop our engine tuning for L5P’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