| There are only 2 bench tuners that I am aware of that do this. Idahorob is the other.
As swapout "Custom Tuning" goes, this is a specialized area that requires significant additional expense and equipment. Do some research to find someone you are comfortable with.
A DPF delete represents a different challenge. You have the potential warranty issue, and the stock ECM (code) will not be useful. But it may be useful if you nee to return the hardware to stock. | 
Linear Mode
