The Mufflers assembly is constructed from several parts from which the Body-comp-muffler,lh is the most expensive.
The component with the lowest price in the MUFFLERS schematic is the Nut,10mm.
Some items from this specific schematic: Washer-spring,6mm, Gasket,exhaust Pipe H (nas), Washer-spring,10mm, Gasket,muffler Connec (nas).