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Discussion Starter · #1 ·
Hay Guys,

I have my EZ Lynk with the tunes from my 5.0 Cummins Titan just sitting in a drawer. Can I use this same unit and buy new tunes for my 2020 AT4 Duramax? I know there are restrictions with what can be done, so any insight on the latest info would be helpful.
 
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