Aftermarket midpipe to OE catback question
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09-06-2012, 08:55 PM
Drives: '11 1M, '09 335i M Sport, '89
Join Date: Aug 2011
This is not the case for Akrapovic. The base OD if their gasket (i.e., at the small end of the taper) is nearly as large as the maximum diameter if the OE flange. No way I'd get a reliable seal.
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