I knew you would find it, now you need to find why they failed, such as bad wires, plugs injectors headgasket, or it will happen to the new ones. How many miles on the truck?
Once you finf the problem, you have to decide if you are going to a new Y pipe of 2 new cats. If you want to go the cheap way, check out this web site for great cat prices,
http://www.completeexhaust.com/produ...roducts_id=184
How are you O2's?
Mike
