Quote:
Originally Posted by theDreamer
Can be a lot of factors.
First tune was "good" but later found out a lot of things were do incorrectly or not to the best of their ability (one tuner might be better than another or have more experience).
Additionally, new features come out from Uprev that people may want to take advantage of which could require a re-tune.
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mostly this!
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2009 370z Touring 7AT/AAM 2.5 true dual exhaust/AAM DE test pipes/z1 vqde35 headers/AAM cold air intake (R-line)/Motordyne M370/Quaife LSD/z1 brake upgd pkg/Swift Spec-R springs/WhiteLine Front&Rear sway bars with endlinks
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