Posted by MG/WCB on January 17, 2008 at 19:58:36:

In Reply to: Acknowledging 50,000 mile cat change posted by dave on December 17, 2007 at 15:11:14:

Cats do not have to be changed until 105,000 miles so say teh EPA (Fed Gov regulations). The rest... you're mistaken, sorry. It a mith or BS.