Congrats on the Z. Bottom line is tune isn't necessarily needed, but if your about getting every bit of power out the engine and your mods, definitely way to go.
__________________
|2013 Audi S4|Ibis White/Black|S-Tronic P+|
|2013 370z|PearlWhite/Persimmon|Touring/Sport/Nav|F.I. CBE 18" CF|
|Sold|2011 370z|Gun Metallic|Touring/Sport/Nav|
|