GM Duramax - OBD2 Flash Emissions-On Tuning Kit (2001-2023)
Type: Tuners | Fits: GM Duramax
Unlock the Full Potential of Your GM Duramax
The OBD2 Flash Emissions-On Tuning Kit is designed to enhance performance while keeping emissions systems intact for your 2001-2023 GM Duramax. Developed for enthusiasts and professionals, this tuning solution boosts power and towing capacity while reducing stress on your engine components.
Why Choose This Tuner?
Optimize your engine’s performance without deleting emissions systems. The Emissions-On Tuner provides:
- Increased engine power and torque for improved towing capability
- Optimized engine operations for cooler running temperatures
- Fewer diesel particulate filter (DPF) regeneration cycles
- Advanced control over engine parameters while keeping emissions systems functional
Year Selection:
To ensure seamless tuning, please select the correct year for your GM Duramax:
- 2001-2004 GM Duramax Silverado/Sierra (LB7)
- 2004.5-2005 GM Duramax Silverado/Sierra (LLY)
- 2006-2010 GM Duramax Silverado/Sierra (LBZ/LMM)
- 2011-2016 GM Duramax Silverado/Sierra (LML)
- 2017-2023 GM Duramax Silverado/Sierra (L5P)
- 2020-2022 Silverado/Sierra 1500 3.0 Duramax (LM2)
- 2022-2022.5 Silverado/Sierra 1500 3.0 Duramax (LM2)
- 2019-2023 Silverado/Sierra 6.6 Duramax (L5D)
Year Specific Key Considerations:
The 2017-2023 GM Duramax Silverado/Sierra (L5P) and 2019-2023 Silverado/Sierra 6.6 Duramax (L5D) prices on TunerDepot.com do come with the ECM E41 Upgrade & Unlock Kit.
The 2020-2022 Silverado/Sierra 1500 3.0 Duramax (LM2) price does come with the GM E46 ECM Upgrade Service.
The 2022-2022.5 Silverado/Sierra 1500 3.0 Duramax (LM2) price on TunerDepot.com does not come with the required L5P E66 ECM Service.
The 2022-2022.5 Silverado/Sierra 1500 3.0 Duramax (LM2) requires you to physically send in your ECM using this service here. The price of this product on this website does not cover this required service.
What’s Inside the Package?
The Tuning Kit Includes:
- OBD2 Flash Tuning Device
- Pre-loaded credits specific to your vehicle and tune requirements
- Comprehensive Software Suite for scanning, diagnostics, logging, and calibration
- Programming and USB cables for smooth setup
The OBD2 Flash Emissions-On Tuner offers:
- Standalone data logging for real-time performance tracking
- Increased storage capacity for better performance logging
- The ability to log data faster than ever before
How Does It Work?
- Purchase the OBD2 Flash Emissions-On Tuning Kit: Select the option associated with your vehicle's specifications.
- Receive the device: We ship the tuner pre-loaded with the necessary credits.
- Read your vehicle: Use the device to read your vehicle’s control module and generate an info log.
- Send us the log & read file: The info log and read file are sent to our tuning specialist, who creates your custom tune file.
- Receive your tune file: Our in-house expert tuner sends you the completed tune file for your vehicle.
- Write the tune to your vehicle: Upload the tune file to your device and flash it to your vehicle.
Find OBD2 Flash Tuning Interface Instructions here.
Note:
- Off-Road Use Only: Product is intended for off-road use only. They may not be legal for use on public roads where emissions or safety laws apply.
- Check Local Laws: Before buying or installing any parts, check your local laws to ensure the modifications are legal.
- Professional Installation Recommended: We strongly recommend professional installation. These parts are designed for users with advanced mechanical knowledge. Installation instructions are not included unless stated on the product page. Some adjustments or modifications may be required. We do not offer returns or refunds for installations that can’t be completed.
- Warranty Notice: Installing these parts may void your vehicle’s warranty. Please check with your manufacturer.
- No Liability: JS Speedshop is not responsible for any damage or issues caused by the use of these parts.
- Product Images: Images shown are for reference only. Actual products may differ in color, branding, or design.
- No Performance Guarantees: These parts are intended to improve performance, but results may vary and are not guaranteed.
- Please Review: Make sure to read our Terms & Conditions, Shipping Policy, and any known issues before purchase.
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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.
