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Let's just clear a few things up. We know there are 2 diff methods to the OEM mod.
#1 replace the perforated part with solid pipe
#2 just a straight pipe through the muffler (muffler just for show)
Which one is the ACM mod? Also, how much is #2 louder than #1? I don't think I'll get a TP anytime soon and I hear the megan isn't a direct fit on an e93. I just gotta figure out which OEM mod to get.
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2013 BMW E92 ///M3 AW/BLK ZCP CF Roof 6 Speed - Perfection
2011 BMW E90 328i xDrive Space Grey/Black - Daily
2011 BMW E93 ///M3 MW/FR/BLK 6 Speed - Gone but not forgotten
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