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      05-09-2012, 06:46 PM   #54
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Drives: E90 325i
Join Date: Jan 2006
Location: SF Bay Area

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Originally Posted by RupertPupkin View Post
People delete the secondary cats, and or the resonator for increased volume, although it may alter the tone of the exhaust.
PE already deleted the resonator, so you can only try to delete the secondary cats now.
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