Parts such as the Exhaust: Pipe, Exhaust (l.h), Bolt, Hexagon, Nut 168216350000, Gasket, Exhaust Pipe (nas) are included in the Rd350 1973 Usa Exhaust parts fiche.
The lowest price component in this Exhaust parts-list fiche is the Washer(6a1).
On this parts fiche the Stud is the most specified component.