Magnaflow Question

By fraiolib
July 4, 2010 in 1999-2013 Silverado 1500 & Sierra 1500

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fraiolib

Posted July 4, 2010

so kind of a dumb question but i think ive been thinking the wrong way. when magnaflow says their mufflers are 3" inlet and outlet is that ID or OD for some reason i was thinking it was OD and then someone told me that it should be ID which would make more sence.

yukon25008.1

Posted July 4, 2010

Any muffler ive seen has been ID, the 3" pipe will go in to the muffler

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