Greddy is 2.75", but 2.5" is good for stage 1 TT. Of course you can squeeze more out, but would be pointless if you are going to the NINJA look.
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 2007 350Z NISMO #0618: Zerolift | UPREV | F.I. | Greddy | Competition Clutch | Injector Dynamics | Aeromotive | Pioneer | JL
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