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      01-04-2013, 02:18 PM   #5
robbylou
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Drives: 2015 M3
Join Date: Jul 2011
Location: Greenwich, CT

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Thanks for the reply- Yes my idea was to install the m-performance exhaust with the Y-tip quad set up. I was thinking that if the mufflers are huge like the stock ones, i may not have the space to maneuver them in a way that fits the diffusor though. I suppose maybe a muffler shop could tell me if the stock ones could be reworked to fit and if that works then the m-performance should work too. my hope was the m-performance would be smaller, more like the M5 size, but i dont think it is the case.
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