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  1. 200 or 400 Cell Cat?

    Engine Mods
    Hey guys. I'm planning on getting a ZZP midlength header and catted downpipe. I was originally looking at a 200 cell cat on PJ's suggestion, but I also noticed that he mentioned that it would throw codes from time to time. I'd rather have a cat that is slightly more restrictive if it means...
  2. 4 Lug to Five Lug??

    Engine Mods
    anyone have any experience with lug converters i have a set of 18" xxr 5 lugs i would love on my cobalt
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