Calibrated Power | 2020-2023 GM L5P Duramax Switch On The Fly Remote Emission Compliant Tuning Package With TCM Tuning

Emissions Intact – no need to remove your emissions equipment!

Do you need Switch-On-The-Fly (SOTF) Custom Tuning?

• Instantly Switch Between Power Levels

• Total flexibility to select the power level you need  

• No need to plug in a clunky box and re-flash your truck to change tunes

• Designed to be safe for your engine and emissions equipment

• DuramaxTuner has 14+ years of experience with Custom Switchable Tuning

• 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 Phone Support!

Sport Tune

• Peak Horsepower & Torque

  • +150 RWHP + 270 ft-lbs

  • Total 595 HP and 1180 ft-lbs

  • Fastest possible acceleration

  • Firm shifting

  • No dead pedal

  • Biggest adrenaline rush we can give you

• Inappropriate use of the Sport Tune

  • Too much power for towing without the proper gauges

  • Enough power for an irresponsible driver to damage his truck

Street Tune

• Improved Horsepower & Torque

  • +100 RWHP + 180 ft-lbs

  • No dead pedal feeling

  • Most power & torque you can add while maintaining OEM levels of

  • reliability

  • Fast acceleration - Truck feels lighter

• Mix of Fun and Superior Drive-ability

  • Love driving the truck every day

  • Smooth power curve

  • The throttle pedal responds exactly how you want it to

  • Retain factory turbo-braking feature

Light Tow

• Balance between Daily Driving and Towing

  • Smooth power curve that’s fun to drive

  • Custom “SMART EGT Control” will automatically manage your EGTs

  • Air-Fuel Ratio limits built into calibration to limit soot production

  • Designed to tow less than 8,000 lbs.

  • Factory turbo brake retains complete functionality

• Horsepower & Torque Increase +80 RWHP +144 ft-lbs

  • Get your truck up and moving more quickly

  • More useable power in all driving scenarios

  • Have enough power to “Shift Up, Throttle Back”

• Revised pedal sensitivity

  • Low-speed trailer maneuvering

  • Back up with trailer without lurching

Heavy Tow

• Safe for Towing Heavy

  • Increase power, not EGTs (Exhaust Gas Temperature)

  • Custom “SMART EGT Control” will automatically manage your EGTs

  • Air-Fuel Ratio limits built into calibration to limit soot production

  • Designed to tow 8,000 lbs. up to GVW

  • Factory turbo brake retains complete functionality

• Horsepower & Torque Increase +40 RWHP + 72 ft-lbs

  • Get your trailer up and moving more quickly

  • Lug in the gear you want while towing

  • Have enough power to “Shift Up, Throttle Back”

• Revised pedal sensitivity

  • Low-speed trailer maneuvering

    Back up with trailer without lurching

Optimized Stock

• Slight revisions to factory calibration

• No significant increase in peak power

• Good for troubleshooting a physical problem with your truck

• Great for when someone else drives your truck

Hardware Included

ECM Unlock Cable

• Allows you to unlock your existing stock ECM

• No more hvaing to remove your stock ECM in order to install tuning on your truck

• Flash our custom tunes using the MPVI3 Hardware and required HP Tuners Credits

MPVI3 Hardware by HP Tuners (Optional)

• 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 (Optional)

• 8 credits are required for ECM tuning

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