Originally Posted by MuddyPaws
Just looked it up on NAPA Pro Link and they list a part number for the Cat.
Yes there is a part number for them. But every diesel truck I have worked on or came accross in the state of michigan does not have one. They came from the factory with out one.
The exhaust system is sitting at my house right now. I am installing it at my house on saturday I just need some extra hands doing this.