Tuning for the EZ lynk 1, 2.0 and 3.0  you already own. 
Compatible with:
2007.5-2016 Duramax  singles or SOTF (LML only)
2007.5-2021 Cummins singles or SOTF (2018+ EZ Lynk 2.0 and 3.0 only)
07-09 Cummins is single tunes only and no trans tuning available
2008-2019 Powerstroke singles or SOTF (2.0 and 3.0 EZ lynks only)
3.0 Powerstroke, Nissan Titan and Ecodiesel singles only