6.7L Cummins (2007.5-2011)
Guys,
I still have the EGR and DPF :bang:. Its been really cold here for Southern Indiana, the low last night hit -1. I stopped using addivtive when I had sooting probs last summer. The question I have is, is there any DPF safe additive that wont soot up the truck. For now I have just been...