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garface · 02-17-2001, 08:11 PM

I think the stock tip was almost 3-1/4in and the Stromung duals are a little less than 3 inches each. I've heard that the muffler is equivalent to the flow of a single 4 inch tip. Sorry I can't be more specific.

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02-17-2001, 08:11 PM	#10
garface Scooby Guru Member#: 1581 Join Date: Jun 2000 Chapter/Region: Tri-State Location: yonkers, ny Vehicle: MY00 RS/STi7 MY01 RS Both Silverthorne	I think the stock tip was almost 3-1/4in and the Stromung duals are a little less than 3 inches each. I've heard that the muffler is equivalent to the flow of a single 4 inch tip. Sorry I can't be more specific. * Registered users of the site do not see these ads.