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      12-13-2011, 02:13 PM   #1
fmagz91
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Drives: 2010 135i, 2005 325ci
Join Date: May 2010
Location: New York

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Cat delete power loss??

A month ago i installed ar catless dps which was a pain in the ass.. but worth the power gains.. yesterday i got bored and went to my local welder and took the 2 remaining cats out assuming better flow=more power.. i still got the stock muffler and resi... So bottom line i almost feel like i lost power by deleting the last 2 cats. is this possible or am i just crazy?
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