2017 - 2023 L5P Duramax 2500 3500 | Pickup and Cab Chassis | HP Tuners

2017 - 2023 L5P Duramax 2500 3500 | Pickup and Cab Chassis | HP Tuners

Introducing the HP Tuners for 2017 - 2023 L5P Duramax 2500 3500 | Pickup and Cab Chassis! 

Say goodbye to stock power limitations and hello to enhanced performance. With HP Tuners, you can access a range of tune power levels, allowing you to customize your truck's performance to suit your needs. From heavy towing to light towing, and even switchable tuning power levels, you can easily adjust your truck's performance for maximum power and efficiency.

Experience the power of customization. Choose from power levels ranging from 0 to 200HP, giving you complete control over your truck's performance. Whether you're looking for a mild boost or a significant power increase, we have you covered.

Fits: 
2018–2023 Chevy Silverado / GMC Sierra 2500–3500 (L5P)
2019–2023 Chevy Silverado / GMC Sierra 4500–6500 (L5D)

** Most E41 L5P Duramax no longer require an e41 unlock kit. Customers can now upgrade their E41 ECM directly through the OBDII port—no physical upgrade kit, no controller removal, and no shipping required.

Note: 2017 Model years and some 2018 still require the kit. **

GM E90/T93 Upgrade Kit (no longer needed):
2017-2023 T87 and T93 TCMs Can now be unlocked directly through the obd port. NO swap or unlock required.

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• The Benefits of Tuning:
  Increase in Mileage
  Increase in Horsepower
  Increase in Torque

Any single tune can be configured to use any DSP5 Power Level.  

DSP5 Tuning is five power levels bundled into one switch on the fly tune where the driver has the ability to select the power level they desire with the ease of their steering wheel cruise controls.  To change the predetermined mapping simply hold down the cruise cancel button for a few seconds turning off the cruise control and toggle the cruise control toggle (resume/increase speed) up or down to change your power level, up increases and down decreases. 

The glow plug indicator will blink the amount of times for the power level you are in.  One flash correlates to the lowest power level and five flashes to the highest power level and zero flashes means you are in your stock power level.

• DSP5 Switchable Tuning Power Levels:
  30HP (Heavy Tow)
  80HP (Light Tow - 12K Lbs and under)
  120HP
  160HP
  200HP

The Benefits of Transmission Tuning:
- Earlier Converter Lockup
- Increased Line Pressure
- New Shift Strategy to Keep from Sluggish Shifting
- Earlier Downshift with Less Throttle Input
- Torque Management

Custom tuning gives your truck more pulling power, smoother shifts, and better fuel efficiency under load, making towing safer and easier on your engine.

IMPORTANT: 
All vehicles and transmissions require a Windows based computer for the flashing of your vehicle or transmission with your tuning option.

ECM or TCM tuning require an HP MPVI Device + Licensing for deployment, MPVI must be an MPVI2+ w/Pro Feature Set or an MPVI3/4 device.

Requires an MPVI2+ w/Pro Feature Set or an MPVI3/4 device.

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How does this work? 
1. You order your device, tunes, and parts.
2. You complete the Tune Order Form, where you give us your trucks specs, and information. 
3. We ship your device the next business day, your parts come afterwards.
4. You send us a stock readout using your device, we give you instructions on this.
5. We write your files, and send them over to you within 24-48 business hours after receiving your tune order form & stock readout. 
6. You receive your instructions, files, parts and you’re ready to go.

*Our techs are available for phone or tech support if needed during the installation process. 
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For a 2017-2023 L5P full kit; you’ll need:

1. A Device [MPVI3/4]
2. Tune Package
3. An EGR solution
4. A DPF Solution
5. Can Bus Plugs

The device is required to flash your tune file into your truck, and the hard parts help remove those systems from your truck and the tune. 

After purchase, you’ll receive your tune within 24-48 business hours, on the contingency we’ve received the required information. Devices are shipped within 1-2 business days from purchase. We’ll send you instructions directly depending on what you purchased. But you can find software downloads, and instructions in our Resource Area *Link to page

Questions? See our FAQ’s here.
Or, Email us at Support@TorqueWorksDiesel.com

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Why Use Torque Works:

✅ In-house calibrations (not generic files) tailored to your truck & use-case.
✅ Data-log support and revisions for drivability, reliability, and performance.
✅ Financing available—most customers spread payments out to get power now.
✅ After Purchase Support, Detailed Instructions & Tech Support Included

At Torque Works Diesel our tunes are all custom written, in-house. 
You’re not getting a generic, 3rd-party tune that every other truck is running.

Built, tested, and refined in-house.

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Financing available to make upgrades easier. Click here.

Check out our customers: Tuned By TWD Customer Page.