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      07-05-2012, 03:27 PM   #13
AU335i
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Drives: 2008 335i E92
Join Date: Dec 2010
Location: Auburn, AL

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OP, go add some vibrant resonators 1790 or 1792 in place of where your secondary cats use to be and your exhaust sound will improve 100x.


with catless DP's and no secondary cats you get alot of rasp... the resonators will cut the rasp and you'll have a nice sounding exhaust.
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