digger Posted April 25, 2009 Share Posted April 25, 2009 I currently have a couple of those cheap ceramic ones which i have had for quite a few years and have been looking to upgrade to some MetalCat ones. Are 100 cell cats likely to out perform 200 cell cats given the METALCAT 2.25" 100cell flow 640CFM and the 2.25" 200cell flows 540CFM which is almost 20% more, but in flow only. Is this likely to make any performance gain on moderately tuned NA engine (stroked, bored, high compression, cammed, ported, V500 ecu etc, etc cheers Quote Link to comment Share on other sites More sharing options...
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