how good are mail order tunes?
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12 Second Club
iTrader: (11)
Joined: Aug 2005
Posts: 307
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From: Islip Terrace, NY
how good are mail order tunes? how are these mail order tunes that i hear about? obviously they cant be as good as a dyno tune, right? i'd like to know what people have done and their results, im planning on getting the f13 and i have full bolt ons. thanks.
