Thread: cat delete
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      01-21-2013, 10:09 AM   #1
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Drives: 2007 328xi coupe
Join Date: Nov 2012
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cat delete

Just as the title states, I want to delete all catalytic converters. Will this throw any codes? Performance gains vs. sound? Don't really care about performance unless mpg increases.

The reason: I dented my exhaust pipe before the first cats and I can straight pipe a lot easier than replacing and re-welding everything.
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