GM Duramax L5P - SOTF Tune Package (2017-2025)
Type: Tuners
For off-road use only
Photo shown is for reference. Actual tuner may differ in appearance and branding
Enhanced Performance Options: L5P GM Duramax Tunes (2017-2025)
| 1 | 2 | 3 | 4 | 5 |
| 0 HP | 50 HP | 75 HP | 100 HP | 150 HP |
Note: 2017-2023 4500/5500 Cab & Chassis models are limited to a 60 HP tune. Contact us before ordering if you have a C&C truck for questions.
We strongly recommend monitoring EGTs when using Levels 4 & 5.
Required Items for Tuning:
To maximize your results, you’ll need the following:
- GM Duramax L5P - OBD2 Flash Delete Tuning Interface
- An Unlocked ECM
- Tuning credits:
- 6 credits for the year range 2017-2023
-
8 credits for the year range 2024-2025
Included With Your Order:
Your purchase provides either a 5-level tune file (2017-2023) or a single-calibration tune (2024-2025). These calibrations are for stock trucks with emissions equipment removed for off-road applications. They do not support aftermarket turbochargers, larger injectors, or major fueling changes. Please contact us before buying if your truck has upgraded hardware.
EXPLORE - GM Duramax L5P - All-In-One DPF/DEF/EGR Delete Kit (2017-2025)
Get the most out of your L5P by pairing this tune with our All-In-One DPF/DEF/EGR Delete Kit:
Need an extra Unlocked ECM to keep your original unit stock?
Important:
Each tune is built specifically for your vehicle and is non-refundable under all circumstances.
📘Looking for L5P Install Guides?
Check out our L5P tuning resources here.
Choose Tuner Depot's L5P tuning solutions for maximum control and reliable performance.
Always include your OBD2 Flash Delete Interface’s serial number when ordering credits. Let Tuner Depot take your Duramax experience to the next level!
*Please review our Terms & Conditions and Shipping Policy before ordering.*
Important Notes:
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TARIFF NOTICE:
While we ship with all required USMCA/CUSMA paperwork, U.S. Customs or carriers may still apply duties or fees at delivery. For details, see U.S. Customs & Border Protection
Shipping
We strive to provide fast and reliable shipping options for all our customers. For detailed information about our shipping rates, delivery times, and policies, please visit our Shipping Page.
Return Policies
Your satisfaction is important to us. If you wish to return an item or request a refund, please review the terms and conditions outlined in our Returns Policy.
Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
