Hand Held tunners
I am considering a hand held tunner. What do you guys personally think is the best. Does anybody have any nubers on how much hp/trq you gained, how the mpg chaned ect. Also is there anything I should look out for, because I feel comfortable in my modding ability, but when you start changing comp programs and curves I get a little scared. So I dont want something that I cant work If I'm not a professional tech.
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