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2011 Nismo#91 · 12-01-2014, 05:09 PM

Yeah someone awhile ago opened up a stock nismo? muffler and it was jam packed full of steel wool. The axel back and cat provide the most restriction to the system overall in that order.

12-01-2014, 05:09 PM	#7 (permalink)
2011 Nismo#91 A True Z Fanatic Join Date: Mar 2011 Location: NJ Posts: 2,400 Drives: slowly Rep Power: 40569	Yeah someone awhile ago opened up a stock nismo? muffler and it was jam packed full of steel wool. The axel back and cat provide the most restriction to the system overall in that order.