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1985 M635CSi exhaust help please

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Re: 1985 M635CSi exhaust help please

Post by 88m6 » Sat Feb 10, 2018 7:45 pm

Has anyone ever tried running without rear muffler and only cat and or middle resonator?
What would that sound like I wonder ,especially since US m6 muffler NLA . :-k

I know on the B7 we removed cat,has no middle muffler only rear n it did not make any change to sound with the cavernous muffler these cars have.

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