2009 6.7 questions

[MBAJ500]

I have a 2009 6.7 and a V2 want to make it run cleaner but leave the dpf on and not have regen problems around the farm.
Thanks.

[2007 5.9]

So are you looking for a tune or help to build one?

[MBAJ500]

not a 100% sure, I'm going to email you 2007 5.9