Give your 3.0L LM2 Duramax pickup real power gains, sharper throttle response and improved efficiency all without swapping hardware.
Designed for DIY-savvy diesel truck owners, this delete tune file unlocks the full potential of your engine.
This product requires an HP Unlocked ECM and an OBD2 Device. These items are not included and must be purchased separately.
Why Choose This Delete Tune File?
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Power Boost: Stronger pull from idle to redline for superior acceleration.
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Fuel Savings: Optimized combustion for better miles per gallon.
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Smoother Exhaust Flow: Less backpressure protects your engine.
Compatibility
- Works with 2020–2022 GMC Sierra & Chevrolet Silverado LM2 3.0L Duramax engines that use the E46 ECM.
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Not compatible with late-2022 E66 ECM or fully digital clusters on Global B models.
Choose Your Tune
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Tow Tune: +30 HP for hauling heavy loads.
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Street Tune: +60 HP for a daily driver thrill.
This product requires the following items
- Laptop with Windows 10 or newer
- HP Tuners VCM Suite Beta (latest version) — Download here
- Internet connection
- Unlocked ECM
- OBD2 device
- 6 tuning credits
Follow the read/write steps: OBD2 instructions here.
Warning:
This product requires an HP-unlocked ECM and a compatible OBD2 Mpvi3 device.
These items are not included and must be purchased separately.
Not compatible with late-2022 E66 ECM or fully digital clusters on Global B models.
Important Details
- Off-road use only—follow all local regulations.
- All sales are final; confirm compatibility before purchase.
- Vehicle must have a base performance tune before deleting emissions routines.
Off-Road Use Disclaimer:
All items offered on this site are engineered strictly for off-road, competition, or closed-course use. They are not certified for street use where emissions compliance or environmental regulations are enforced.
Legal Compliance Reminder:
Before buying or installing any component, consult your local and regional laws to ensure that these upgrades are permitted in your jurisdiction. Some modifications may be restricted or prohibited.
Installation Advisory:
Due to the technical nature of these parts, we highly advise having them installed by experienced automotive professionals. Incorrect installation can result in vehicle malfunction or damage. Unless otherwise noted on a product’s page, installation guides are not included. These products are meant for those with advanced mechanical expertise. As with most universal or aftermarket parts, slight modifications may be necessary to complete installation. We cannot process returns or issue refunds based on installation challenges or lack of instructions.
Vehicle Warranty Notice:
Installing these components will likely void your factory vehicle warranty. Always verify with your manufacturer before proceeding.
Limitation of Responsibility:
dpfdeletetunes accepts no liability for damages, performance issues, or failures resulting from the use or misuse of any products sold.
Product Visuals Disclaimer:
Images displayed are for general reference only. Actual product appearance may vary due to ongoing design changes or manufacturer revisions.
Performance Disclaimer:
While our products are built to support enhanced vehicle performance, individual results will vary. We do not guarantee specific horsepower gains or performance improvements.
Weather Delays:
Although we strive to process and ship orders swiftly, extreme weather conditions—such as heavy rain, snow, or ice—can impact delivery schedules. Please know that we’ll do everything possible to work around these disruptions and minimize any delays.
Holiday Closures:
Our team takes necessary breaks during recognized holidays, during which our shipping operations will be paused. Shipments will resume the next business day. During high-demand holiday seasons, slight delays may occur, but we’ll keep you updated and prioritize getting your order out as quickly as possible.
Team Capacity:
Occasionally, unexpected events may affect staffing levels. While rare, this can result in minor delays. Rest assured, we’re always working behind the scenes to maintain smooth operations and uphold our service standards.
We sincerely value your patience and understanding when unpredictable challenges arise. Our goal remains the same: to get your performance parts to you as quickly and reliably as possible.
Thank you for choosing dpfdeletetunes—where dedication meets performance.