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      09-06-2011, 02:43 AM   #13
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Drives: '16 M235i xDrive Convertible
Join Date: Aug 2011
Location: WI, USA

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Originally Posted by Edman951 View Post
No plan to bypass the secondary cats yet, it may get to raspy.
but it may bring in more spooling sound.
makes me go hmmm!!!
My plan is remove secondary cats but keep the resonator - the opposite of your setup. Not sure how it will sound! I'm thinking the secondary cats will have more restriction than the resonator so by removing them it should free up the flow. Only way to know is to try it - right?
2013 Audi RS5
2013 Mini JCW GP2 #150
2014 Mercedes E350
2016 M235i xDrive Vert
2106 Ford Fusion (company car)