Thread: So just ordered my Stillen SC
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Old 06-17-2014, 07:24 AM   #65 (permalink)
vlad370z
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Join Date: Oct 2013
Location: Sydney Australia
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Drives: 2010 Nissan 370Z
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Originally Posted by future370zzz View Post
the vortech si impeller upgrade requires you to send the blower unit in and they replace it for you and check for any issues. Check out the vortech site for complete details. Its about $350 plus shipping. Vortech Superchargers: Only Authorized Service Center | Vortech Superchargers

there is also the 928 motorsports impeller upgrade but i heard mix responses because some say it doesn't quite fit and others have made it work. I just went with oem and called it a day.
you guys get it good, to upgrade here in aussie is over au$1000 plus shipping
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