SoCal: if you have 3” catless downpipes but stock exhaust on 335i click here.
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11-15-2012, 07:17 PM
Drives: LCI 335i M-Sport
Join Date: Jan 2011
Location: Bay Area, CA
I'm not in so cal... but I have MS down pipes and stock exhaust and the exhaust has zero drone and sounds stock... if you want it to be quiet, it definitely will be....
DIY Videos on YouTube: SeanS54 (
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