Chaos Custom Tuning Efi Live Tune Files (2001-2010 Duramax Lb7/Lly/Lbz/Lmm 6.6L)

In stock
Usually ships within 24 hours
Regular price $337.50

Overview:

The Chaos Custom Tuning EFI Live Tune Files for 2001-2010 Duramax 6.6L engines (LB7, LLY, LBZ, LMM) are engineered to deliver optimal performance, fuel efficiency, and drivability. These custom tunes are designed to enhance your truck’s power output while maintaining reliability and smooth operation.

Compatibility:

Ideal for 2001-2010 Duramax 6.6L models, including LB7, LLY, LBZ, and LMM engines. Ensure your vehicle is compatible before purchasing.

Installation:

Flash the tune files using EFI Live. No need to send in your ECM.

What's Included:

  • Custom ECM tune files

What You Need:

  • EFI Live tuning device
  • 1 EFI Live VIN License

Levels Available:

  • Level 1 - 20 HP
  • Level 2 - 50 HP
  • Level 3 - 120 HP
  • Level 4 - 175 HP
  • Level 5 - 240 HP
  • SOTF (Pickup Only)

Features:

  • Significant improvements in horsepower and torque
  • Enhanced fuel efficiency and throttle response
  • Safe and reliable power delivery

Unmatched Tech Support:

We pride ourselves on having the biggest tech support team in the industry, ready to assist you at every step.

Same-day shipping.

Get your order fast.

Lowest price, guaranteed.

Find it cheaper, we’ll beat it.

Free returns.

Wrong part? No hassle.

Weekly special offers.

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Parts You Can Trust. Performance You Can Feel.

Looking for proven diesel performance parts that actually fit and perform? We stock hand-selected upgrades for Duramax, Cummins, and Powerstroke platforms — no guesswork, no junk.

From tuning and exhaust to suspension, engine internals, and recovery gear, everything we carry is backed by real-world testing and used by builders who know what works. If it’s on our site, it’s here for a reason.

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