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Old 06-14-2010, 04:35 AM   #47 (permalink)
Daishi
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Join Date: Jul 2009
Location: NJ
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Drives: 09 370z 6Speed
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Personaly I hate the hiss.. I'm 99% sure it comes from the xpipe. I've sat under the car while someone revved it and most of the rasp/hiss comes directly from the xpipe you can clearly hear it.. I'd like to switch exhausts and test thigs out but that becomes expensive and I have no guarantees that it will be any different.

Last edited by Daishi; 06-14-2010 at 09:31 AM.
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