All things included in a 3.0L Duramax LM2 Delete kit with a orange Chevy Silverado 1500 diesel LM2 displayed on a white background
3.0L Duramax LM2 Delete Kit with Tune | Complete DPF, DEF & EGR Delete | Chevy GMC 2020–2022

Stock Optimized (+0HP)

Regular price $2,896.06
Regular price $3,214.63 Sale price $2,896.06
Sale 10% Sold out
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GM Duramax LM2 (2020-2022)

3.0L Duramax LM2 Delete Kit with Tune | Complete DPF, DEF & EGR Delete | Chevy GMC 2020–2022

3.0L Duramax LM2 Delete Kit with Tune | Complete DPF, DEF & EGR Delete | Chevy GMC 2020–2022

SKU: SKU:LM2-BundleU-19-SO

Regular price $2,896.06
Regular price $3,214.63 Sale price $2,896.06
Sale 10% Sold out
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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


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:

  1. Clear any dashboard warnings or maintenance alerts.
  2. Resolve DEF/DPF countdown issues (if any) before ECM removal.
  3. Turn off the ignition and disconnect the battery’s negative cable.
  4. 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.

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