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67chevemall · 08-05-2003, 01:48 PM

But do the cutouts restrict all air movement to the mufflers or does the air run down both the muffler and the open pipe??

Good ???

Do they cut off the muffler when opened or just open the pipe ??

08-05-2003, 01:48 PM	#6
67chevemall Registered User Join Date: Apr 2003 Location: NB Posts: 3,367	But do the cutouts restrict all air movement to the mufflers or does the air run down both the muffler and the open pipe?? Good ??? Do they cut off the muffler when opened or just open the pipe ??