I have been looking for an exhaust system for my truck, and I like how TRD advertises a bolt-on system. However, every site says that the 2000 4Runner exhaust option is a dual out (dual cats)...which I do not have. They do offer a single cat system for the 1999, I just do not understand what the difference would be.

Does anybody know anything about this? Would the 1999 exhaust bolt on to the 2000 truck? Any additional information about the TRD exhaust?

Much appreciated.

http://www.trdparts4u.com/MC-IGH-CA.aspx

There is a site with the part...