test-pipe f*** a cat. cat = pussy
i had a RT high flow cat cost me 200 bucks, i got it thinking it would be legal and not to loud. i got tired of it and put on a testpipe with the stock heat cover things welded on to a straight pipe. a litte more raspier and louder (2 or 3 db). but, a better gain overall i think i got more torque of the RT but, more hp of the testpipe. we drive hondas whats the point of trying to squeeze torque out of it.
if you turbo no question testpipe
Anthony