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Quantity
1
Description
Fits YearMakeModelEngine
2011-2016
GMC
Sierra/Silverado
LML or LGH w/ 6.6L Duramax
Note:These are files only! You need an EFILive AutoCal Device to flash these tunes onto any trucks!
Unlike most files on the mark...
Reviews
4.0
3 ratings
5
4
3
2
1
Good customer support
M
Michael · September 20, 2024
Tune power is good, just have no bottom end torque. Turbo is super
Lazy