From what I've read the hypertech only worked on early ecu's, Nissan must have updated the ECU code in later models.
In the end though, the only tuning option that's worthwhile for the Z is UpRev.
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'11 370Z Nismo #528 Fast Intentions | Stillen | Motordyne | Uprev | CSF | Zspeed | Z1 Motorsports | AST | Swift | SPC | SPL | Whiteline | Hotchkis | Bride | Schroth | Robispec | Cusco | Nismo | Volk | Forgestar | Hoosier | RJM
'17 Titan Bone Stock
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