Sold/Expired H&S mini maxx tuner

[gumption37]

its for a 7.5 to 2010 chevy duramax lmm version just pulled it off my truck cause i decided to delete the dpf and all this one will not delete so would be good for someone who wants to keep their truck stock but gain some power they are 850 new im asking 500

http://www.hsperformance.com/mini-maxx/

in intrested text or call 2053325665

 

[B.DRAKE]

How much of an improvement did this Programmer make without all the deletes? What kind of difference in fuel mileage?

Thanks!

 

[gumption37]

Fuel mileage stayed the same power wise and shifting it was a lot better but have read people getting fuel improvements and some don't I guess it just random