Hey guys, Im sure there are threads similar to this on the forum, but to be honest everyone has different parts. So I'm wondering whether or not my parts list would require a tune. I currently have Top Secret intakes and a Fast Intentions 18" exhaust (don't know if that matters) and am planning in installed Fast Intentions LTH very soon as well as Z1s Plenum mod. Will I need a tune after the new parts are installed, what if I just go with the headers for awhile?
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