As far as the pull when braking hard, have the toe on the front of your Z checked. Mine was toed out from the factory and acted the same way under heavy braking. Once I had the toe zeroed the problem went away.
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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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