SKU: 70692830441

LB7 Duramax Stock File 2001–2004 | Unlocked EFI Live OEM Tune

$89.10 $99.00
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Description

LB7 Duramax Stock File 2001–2004 | Unlocked EFI Live OEM Tune100% Stock OEM calibration file unlocked and fully compatible with EFI Live hardware & software. Ideal for restoring your LB7 Duramax back to OEM factory calibration. Works with all EFI Live FlashScan & AutoCal devices. Unlocked for full editing, logging, and custom tuning flexibility. Direct fit for 20012004 GMC Sierra & Chevy Silverado 2500HD 3500HD equipped with the 6. 6L LB7 Duramax. Digital Delivery Your unlocked stock file will be sent directly

💻 100% Stock OEM calibration file — unlocked and fully compatible with EFI Live hardware & software.

✅ Ideal for restoring your LB7 Duramax back to OEM factory calibration.
✅ Works with all EFI Live FlashScan & AutoCal devices.
✅ Unlocked for full editing, logging, and custom tuning flexibility.
✅ Direct fit for 2001–2004 GMC Sierra & Chevy Silverado 2500HD / 3500HD equipped with the 6.6L LB7 Duramax.

⚡ Digital Delivery – Your unlocked stock file will be sent directly to your email after purchase within 1 business day

🛡️ 100% Authentic | Backed by Piston Twistin | Unlimited Support

 Tags / Meta:

  • LB7 Duramax stock file EFI Live

  • 2001–2004 LB7 stock tune

  • Chevy Silverado LB7 stock tune unlocked

  • GMC Sierra LB7 stock file EFI Live

  • Unlocked OEM LB7 EFI Live file

 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70692830441

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4.3 ★★★★★
Based on 17 reviews
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D
Verified Purchase
Dianne
San Leandro, US
★★★★★ 5
Men’s oxfords
Size: 10.5, Color: Black
Good quality and perfect fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
L
Verified Purchase
Lisaura
Natrona Heights, US
★★★★★ 1
Low quality
Size: 8.5 Wide, Color: Cognac, Size: 8.5 Wide, Color: Cognac
Starting to peel after a few uses
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
K
Verified Purchase
Kaitlynn gray
Alexandria, US
★★★★★ 5
Great shoe
Size: 12, Color: Cognac
True to size . Huspand loved it . Looks great . Nice shoe
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
J
Verified Purchase
Joezel Adolfo Figueroa
Charlottesville, US
★★★★★ 5
Pura calidad
Size: 12, Color: Dark Tan
Overall, these shoes combine style, comfort, and quality at a great price. I’ve received so many compliments already, and I would definitely buy another pair in the future!
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Reviewed in the United States on February 23, 2026
D
Verified Purchase
Dawn
Belleville, US
★★★★★ 5
Fit well.
Size: 8, Color: Cognac
Nice shoes for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026

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