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Have a question regarding the secondary cats as I cannot find my answer anywhere, figured this is would be an appropriate place to get the info. ~How restrictive are the secondary cats? I read in some e90posts that the primary are 400 cell and the secondary are 200 cell. I understand the 1M OEM DPs are less restrictive. Not sure about the mid pipe section. It matters as I am tossing around the idea of ordering some HJS 100-200 cell race cats. If the OEM cats are 200s then I will use the OEM mids (fully catlless now) Thnx
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///1M #643 of #740
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