GM Duramax LM2 3.0L OBD2 Power Tuning Package (2020-2022)

Upgrade your 2020–2022 Chevrolet Silverado or GMC Sierra 3.0L LM2 Duramax with this complete all-in-one tuning bundle. Designed for simple OBD2 flash tuning, this package includes the LM2 delete tune file, OBD2 flash interface, and required tuning credits so you have everything needed in one purchase.

Built for performance optimization, improved drivability, and streamlined installation, this LM2 tuning solution eliminates guesswork and delivers a straightforward path to unlocking your truck’s full potential.

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What You Get and Why It Matters

• OBD2 Flash Tuning Interface (hardware included).

  Write tunes, monitor performance, and take precise control of your ECM.

• LM2 Delete Tune File for 2020–2022 GMC Sierra and Chevrolet Silverado.

  Custom-tuned files based on your stock ECM—designed to run smoothly without errors or glitches.

• Included Tuning Credits

  Includes 6 credits for immediate tune flashing with no hidden fees.

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Available Tune Levels in This Pack

The LM2 Delete Tune File includes five performance levels:

• Tune Type: Stock Optimized ~ Horsepower Gain: +0 HP
• Tune Type: Tow ~ Horsepower Gain: +20 HP
• Tune Type: Street ~ Horsepower Gain: +40 HP

Important Disclaimer:

• Intended for off-road use only.
• Image for illustration only; actual device may differ in color and branding.