alright cool. like i said, i am looking at the gryphon programmer but have no idea about tunes. I have 35" KM2s on my truck and will have 35s for as long as i have the truck....I would like better pick-up especially when im towing and would like too see a little better mpg seeing im getting 10.8 right now.....i would like to do a couple calibrations (does that mean custom tunes?) thanks
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