Budget diesel truck mods: GM Duramax edition
First and foremost let me say that if you are concerned with warranty then this thread is not for you. Just hit the back button and move on to the next thread if you are concerned about warranty or d...
Forum Discussion
FishOnOne wrote:
A Plug in Play module for the LP5 gains 3-4 mpg is pretty impressive.
It's an L5P.
And who supposedly makes a plug and play module for them?
