You could always go with Takeda's long tube intake. It is similar to the Stillen with the exception of one large filter inbetween the intake piping. Just do a little reading and you will see what you want to do. I think that covers all of the options out there (incuding the above mentioned items).
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 2007 350Z NISMO #0618: Zerolift | UPREV | F.I. | Greddy | Competition Clutch | Injector Dynamics | Aeromotive | Pioneer | JL
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