Overview
The 3.0L Duramax LM2 Delete Kit is a complete DPF, DEF & EGR emissions delete solution with custom tuning, designed for 2020–2022 Chevy & GMC trucks running the 3.0L diesel engine. This kit gives your LM2 Duramax everything needed to delete emissions components and unlock more power, better fuel economy and improved engine longevity — all in one package.
At Tuner Depot, we prioritize performance and reliability. The Chevy LM2 delete kit offers you the flexibility to choose the exact components that match your truck’s needs. From exhaust systems to advanced tuning tools, this kit is your key to maximizing power, efficiency and engine longevity.
NOTE: This kit does NOT work with late model 2022s with the E66/Global B ECM.
Customization Steps
Select a tune level from the three performance levels included in the LM2 3.0L Duramax Kit to match your driving needs.
| Tune Type | HP Gain |
|---|---|
| Stock Optimized | +0 HP |
| Tow | +20 HP |
| Street | +40 HP |
3.0L Duramax Delete Kits Include
- OBD2 Flash Delete Tuning Interface
- 6 Tuning Credits
- GM Duramax LM2 ECM E46 Upgrade & Unlock Service (2020-2022)
- One of the Tune options or all Tune Levels if chosen
- A complete EGR Delete Kit
- Cat & DPF Delete Pipe
- GM Duramax LM2 - CAN BUS Plug Kit (2020-2022)
Instructions for Installing Chevy LM2 Delete Kit
This product requires the following items:
- Laptop with Windows +10 OS
- HP Tuners VCM Suite Beta (latest version required), which you can download here .
- Internet Connection
The OBD2 read and write instructions can be found by clicking this link here .
ECM Removal Guide
Follow these steps before sending us your ECM:
- Clear any dashboard warnings or maintenance alerts.
- Resolve DEF/DPF countdown issues (if any) before ECM removal.
- Turn off the ignition and disconnect the battery’s negative cable.
- Remove the ECM safely.
For the ECM Unlock Service, we will send you a UPS return label. Please print the label and use a secure and sturdy box to send us ECM.
Benefits of the LM2 Delete Kit
- Free-flowing exhaust system for increased power and improved fuel economy
- Optimized combustion chamber temperatures
- Enhanced longevity of your engine's cooling and exhaust system
- Boosted power output from more powerful tune flashes
Shipping & Tuning Details
Shipping times may vary depending on your order's specifics. Custom kits may require additional preparation time before shipping.
Thank you for choosing Tuner Depot. Your journey to superior performance starts here!
Always ensure you input your OBD2 Flash Delete Tuning Interface's serial number when purchasing credits. Let Tuner Depot elevate your driving experience!
*Terms & Conditions apply - MAKE SURE to read our Shipping Policy and Notes Below*
Please note: The vehicle must be tuned without codes prior to any emissions system removal or modifications. Failure to follow instructions may cause damage to the ECM or void warranty coverage.
This product is intended for off-road use only. Image is for demonstration purposes only. Actual device may vary in color and branding.
Shipping Policy at Tuner Depot
At Tuner Depot, we understand the importance of timely delivery for your performance parts. We're committed to ensuring a seamless shipping experience, striving to dispatch your orders with utmost efficiency and speed.
Our Shipping Policy: Our aim is to dispatch all orders within two business days, providing you with a quick and efficient processing time. However, unforeseen circumstances beyond our control may occasionally impact shipping times.
Factors Affecting Shipping:
- Weather Conditions: Adverse weather conditions such as rain, snow, or sleet may affect delivery timelines. We will make every effort to minimize any delays.
- Holiday Periods: Please note that our shipping center will be closed during holidays. We will resume shipping promptly on the next business day. Allow for potential delays during peak seasons, but rest assured, we will keep you informed every step of the way.
- Staff Availability: Unforeseen circumstances can occasionally affect our staffing levels, possibly leading to minor delays. We are committed to swiftly resolving any issues to maintain our high standards of service.
We genuinely appreciate your understanding and patience during any unexpected obstacles. Be assured that we will utilize every resource available to deliver your performance parts promptly.
Warranty
Hardware components are covered by Tuner Depot's standard warranty. Tuning devices and software carry manufacturer warranty terms. Use of these products will void your vehicle's factory warranty. Please confirm with your manufacturer before installation.
Off-Road Use Only
These products are intended for off-road, race, and competition use only and may not be legal for use on public highways where emissions laws apply. Check your local and state regulations before purchase.
