What is the Stock Center Pipe diameter?

Trev · 08-12-2010, 02:40 PM

Or put another way, on a Z4 M, if you adding just a rear exhaust whats the right size for the muffler inlet?

mfanatic325 · 08-12-2010, 02:50 PM

Why not just measure with a caliper next time you're underneath the car? I guesstimate it's probably at least 2.5" in diameter?

Trev · 08-12-2010, 02:54 PM

Did that, got a measurement of 2.35" which seem's rather odd to me. Looking for clarification from those that have been their & done that :-)

mfanatic325 · 08-12-2010, 03:03 PM

ohhh icic. hah g'luck then!

08-12-2010, 02:40 PM	#1
Trev Private First Class 4 Rep 108 Posts Drives: Z4MC Join Date: May 2010 Location: Portland Oregon iTrader: (0)	What is the Stock Center Pipe diameter? Or put another way, on a Z4 M, if you adding just a rear exhaust whats the right size for the muffler inlet?
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08-12-2010, 02:50 PM	#2
mfanatic325 ///M-fanatic 193 Rep 3,885 Posts Drives: '01 911 Turbo Join Date: Oct 2007 Location: Cupertino, CA. iTrader: (23)	Why not just measure with a caliper next time you're underneath the car? I guesstimate it's probably at least 2.5" in diameter?
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08-12-2010, 02:54 PM	#3
Trev Private First Class 4 Rep 108 Posts Drives: Z4MC Join Date: May 2010 Location: Portland Oregon iTrader: (0)	Did that, got a measurement of 2.35" which seem's rather odd to me. Looking for clarification from those that have been their & done that :-)
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08-12-2010, 03:03 PM	#4
mfanatic325 ///M-fanatic 193 Rep 3,885 Posts Drives: '01 911 Turbo Join Date: Oct 2007 Location: Cupertino, CA. iTrader: (23)	ohhh icic. hah g'luck then!
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