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      12-09-2018, 09:02 PM   #60
MNick
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Drives: 2013 335is
Join Date: Mar 2014
Location: Tampa Bay

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TheMidnightNarwhal
There isn't an up side from performance standpoint to modifying your muffler... I removed the secondary cats and the exhaust was extremely loud. Cold starts with the flap closed didn't help. I imagine that will be similar to your setup as the 1792's don't muffle much, but will certain help with the rasp.
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