Re: Diablew tune
I prefer a Nelson Performance tuned computer. The only issue with that is, if your truck has the 6 speed auto they can not do a mail out tune. But if you got the 4L series, you are good to go. Black Bear Performance is another good one. IMO these guys are better than the hand held tuners. They are also cheaper, and retunes are free. It's like owning a new truck after install.
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