I agree, custom tuned SCT. My advice though is to stay away from the economy tunes. I was severely disappointed with it. I notice no gain and the truck was still slow. The higher HP programs offer great mileage, but you have to be smart with the skinny pedal.
ok the truck has 147000 miles on it all that is done to it is i put a 4in turbo back exhaust on it so far and my guages will be in this weekend just kinda nervous about putting a high hp tune in it with out studs
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