EFI Live AutoCal Tune Package for GM Duramax (2001-2016)
Type: custom-tuning | Fits: GM Duramax

Tune Package for EFI Live AutoCal - GM Duramax
Expand your AutoCal's capabilities! If you already have an AutoCal device and wish to add another vehicle, then our tune package is the perfect solution. Additionally, we offer Tune Files along with an optional SOTF switch, ensuring the process remains smooth and tailored to your preferences. Moreover, this package is designed to simplify tuning for multiple vehicles, giving you more control over your setup.
Choose your GM Duramax Engine Generation
Choose your GM Duramax Engine Year to match the perfect Tuning Data with your tuner:
- GM Duramax LB7 (2001-2004)
- GM Duramax LLY (2004.5-2005)
- GM Duramax LBZ/LMM (2006-2010)
- GM Duramax LML (2011-2016)
Switch Options for EFI Live duramax tuning:
Opt for an additional switch to further enhance your tuning experience by ordering SOTF Switches that give the user Full Control of their Tuned engines. Click the button below:
Tune Files Included
Our SOTF tune pack comes equipped with various power level options:
- Stock
- Eco/Tow +65HP
- Street +100HP
- Max Power +130 HP
Seamless Process
Upgrading is simple:
- Contact us to request a VIN slot increase without forgetting to include your AutoCal's Serial Number.
- Purchase an additional VIN license from EFI Live.
- Order this product for your RAM Cummins' additional tune file.
- Easily load the new tune file onto your AutoCal device.
- Flash Tune your vehicle for enhanced performance.
Compatibility & Important Notes for EFI Live Tuning
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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.

