Thread: What's is the stock exhaust pipe's diameter?
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      06-11-2013, 11:13 AM   #16
Mpy18
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Drives: '06 325 XI
Join Date: Dec 2011
Location: Staten Island, NY

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Can anyone confirm that it is 2.75 inches? I'm doing a muffler delete and need a y shaped tip. I need to know the inlet size to order. Any suggestions on websites?
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