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      02-08-2011, 10:40 PM   #45
aajami
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Drives: Space Gray '09 E92 M3
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Quote:
Originally Posted by alpina527 View Post
Quote:
Originally Posted by richpuer View Post
No, stock tips are 75mm measured from outside edges. I've measured it precisely.
I stand corrected. I have just checked and oem is 75mm
Then I have to assume that the 74mm reference for the M Performance exhaust is inaccurate. I know tip diameters are mostly meaningless, but I wouldn't understand how BMW would commission smaller tips when bigger is generally perceived to be better when it comes to aftermarket exhausts.
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