On this parts fiche the Nut,flg.6mm is the most specified component.
This schematic depicts all components used in the Civic 1996 (t) 4dr Dx (ka,kl) Exhaust Pipe partslist.
The most reasonably priced component used on the Civic 1996 (t) 4dr Dx (ka,kl) Exhaust Pipe is the Bolt-wash.,6x12.