Hit and miss in terms of having the dealer reflash the ECM? I currently have a smarty s06. Everything I read is custom tunes are night and day difference compared to the old school smarty stuff....
Type: Posts; User: Hagge01
Hit and miss in terms of having the dealer reflash the ECM? I currently have a smarty s06. Everything I read is custom tunes are night and day difference compared to the old school smarty stuff....
I apologize in advance if this has already been covered. Looking to get HP Tunes from firepunk for my early 04 dodge cummins. Couple of questions, first I already have a smarty tuner. Will reloading...