"XG" <gungxu@yahoo.com> wrote in message
news:br2vbu$5m9$1@newsreader.wustl.edu...
> is there some kind of tape that can endure high temperature

Any spares shop will have a suitable product. There's one called Muffler
Bandage. Don't expect any of these to last too long. A muffler shop may be
able to replace the rusted portion if the rest of the system is acceptable.

Stewart DIBBS