When I bought my car a while back, I found out after a couple weeks the cat was all burned out and stuff. I took it to a muffler place and the guys there just cut it out and welded in a similar sized pipe to my exhaust. <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/smile.gif" border="0" valign="absmiddle" alt=':)'> Doesn't seem to make any difference (that I can tell, at least), though I'm sure the emissions are more harmful to the environment at startup and during driving. But then again, if I cared that much about the environment I'd buy one of those ugly ass gas/electric cars or whatever. heh
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