![Stock LB7, LLY, LBZ, LMM, LML or LWN file](http://derkscustomcars.com/cdn/shop/products/LML_5d9d21e8-51aa-4725-b874-9a8f735a0f98_{width}x.jpg?v=1638723575)
Stock LB7, LLY, LBZ, LMM, LML or LWN file
Unlocked stock Duramax file build by VIN in Efilive format.
At checkout please provide vehicle VIN so a proper file can be build
NOTE, THIS IS A STOCK FILE WITH ALL EMISSIONS INTACT AS IT WOULD HAVE CAME FROM GM
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