For years I have done all breather mods on all my cars without a tune. Even on my 2012 Z with basically the same mods. Never had an issue... I just added all breather mods and a tune to my current Z and it is as if my car came alive. I just think it brings everything together. Might as well get all the bang for your buck.
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2012 Z-SOLD
2014 Nismo #565 Fast Intentions CBE/HFC/Swift/SPC/RJM/H&R-15/20mm/Z1 CAI/Headers/Intake Manifold w/Uprev Tune 328.31whp/263.64tq
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