A superchip that is a result of a dyno tune is fine. A mail order chip of any type is a risk. Sometimes they work out fine (see the post about the JET chip), but sometimes they don't work at all, or actually hurt performance. But I agree with T_Bone, there are lots of other more productive things you could do first, then top it off with a good dyno tune.
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AIM: Some97Snake
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