If it's primarily track with a little street go with a clutch type diff (OSG or Cusco). If it's mostly street with a little track get the Quaife.
If you decide to go with the Quaife let me know. I'll have a used one for sale in a couple weeks.
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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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