On Wed, 12 Dec 2001, Scott wrote: > At 09:29 12-12-01 -0800, Mark L. Chang wrote: > > >AFAIK, there are state and national laws (in the US) that prevent > > >c) removing & replacing a cat that isn't defective > > Do you have a cite on this one? It was posted on a big regulations sign at the exhaust shop I went to here in WA state. --- 1991 90q20v