03-16-2012, 06:41 PM
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#8 (permalink)
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A True Z Fanatic
Join Date: Sep 2011
Location: Irvine, CA
Posts: 2,594
Drives: 40thAE#472
Rep Power: 508
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Quote:
Originally Posted by harman.khinda
what would the gain be over a stock non-nismo cat-back?
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I found this: 
Difference Between Regular 370Z exhaust vs Nismo 370Z exhaust
The Other 18 HP
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