That all depends on ur location (sea level) humidity and what type of dyno you use and ur tune...these are all contributing factors...Tunes are not always necessary but are best if u want to get the most out of ur performance parts....Have u done a baseline dyno? If not I suggest u get one done to have a reference point to go off.
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2013 Nismo Z34 / FI TT #091 / IG: @lilzilla_z34
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