A sample from the products for the Muffler(s) include: Gasket,exhaust Pipe (nas), Bolt-flanged,8x30, Pipe-exhaust, Nut.
On this parts fiche the Gasket,6.2x11.5x1.5 (nas) is the most specified component.
The lowest price component in this Muffler(s) parts-list fiche is the Screw-pan-ws-cros.