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      07-24-2008, 05:14 PM   #21
akack79
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Drives: F32 435i
Join Date: Sep 2007
Location: T E X A S

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2014 F32 435i  [0.00]
I have auto and the single Borla exhaust and very minimal drone (stock 2nd cats INTACT still).

However, when I had the 2nd cats removed, it droned like a bitch and gave me headaches everytime I drove my car. I now have the stock 2nd cats placed back on and love the Borla exhaust now.

Like what Mr5 is saying, you will drone no matter with auto.
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2014 F32 435i EBII / Coral Red
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