yea sorry again, for the abnormally long post, basically im asking from the symptoms of problems i described does any1 kno from personal experience what my problem may likely be... i kno, u cant tell, but even some insight would be helpful, and whether ALL high flow cats pass emission such as carsound or random tech. im leaning toward carsound, will that pass? and where can i find a HONDA OEM cat beside ebay or the junkyard.. actually, i couldnt even find a stock one on ebay... thanks guys for all the help