my stepdad has a 07.5 lmm i have a superchip programmer that came off my 05 lly i was told that there is a special programmer needed to disable the DPF is it true? do i need to disable it? i was told puttin a programmer on that the DPF needs to be disable?

Yes you need a programer to disable the DPF codes, no you don't need to if you don't want too.