LML Duramax LTZ Diesel Tuning CTZ files

For DPF, EGR, Throttle, and Intake Heater removal

Files Included :

2011 2500 4d Denali (OS 12646249)_offroad.ctz

2012 2500 4d LTZ Z71 Extbed (OS 12649244)_offroad.ctz

2013 2500 LTZ (OS 12645750)_offroad.ctz

2014 2500 4d LT Z71-LTZ (OS 12645750)_offroad.ctz

2015 2500 4d & 2d 4WD b_offroad.ctz

2016 GMC Sierra 2500 4D CC_offroad.ctz

NOTE:

You should know how to use these files before buying them