Yep. Our Governator pushed this one through. Now they are big bucks.Ca wont allow a generic cat to be installed. It must be stamped with a code and that code has to match the car it is on. The smog guy will check.
I firmly believe that many cat failures are from worn spark plugs.
Last time I checked the 3 c.a.r.b. cats for my jeep ran about $2400.
I imagine the cost of the "precious metals" has skyrocked as well...
People were stealing them off cars for the high scrap value a few years back. Seems to have stopped.