Thread: Catless DP + JB4 Emmision Testing?
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      08-22-2016, 05:30 PM   #1
izaazk
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Drives: 2013 335i
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Location: Chicago, Illinois

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Catless DP + JB4 Emmision Testing?
Anyone know or have passed OBDII based emmisions with catless downpipe and jb4?

if so, how were you able to?

I have a 2011 535i completely stock as of now
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