I have parts catalogs for each model from '92 thru '96 in .xls form. These numbers are from the '96 catalog.
GASKET, EXHAUST PIPE : 89A-14613-00-00
SPRING, TENSION : 90506-20272-00 between Y-pipe and exhaust pipe
RING : 8F2-14633-00-00 between exhaust pipe and muffler
SPRING, TENSION : 90506-20093-00 between exhaust pipe and muffler
Shark