Need help ASAP
 

I have a 13 lml duramax and got screwed on a tuner I bought an emissions friendly tuner it’s still efi live auto-cal but can anyone enlighten me on if I can get an emissions delete tune and if it will delete or do I need to buy a whole new tuner right now I have unplugged everything and am just now figuring out it’s emisions friendly so the truck is running in lint mode any help would be greatly apriciated