Thread: Catless Downpipes & Emissions Testing?
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      10-25-2016, 08:17 PM   #26
X5M_Midwest
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Drives: 2002 E46 M3 Vert
Join Date: May 2012
Location: United States

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I have gutted oem cats with the velos tune. its still showing my CEL! i might have to go this route also.
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