The Suzuki MUFFLER has twenty-three products enlisted in the schematic.
The most reasonably priced component used on the Rf900r 1998 (w) (e02 E04 E18 E22 E24 E25 E34 E39) / P37 Muffler is the Nut.
The Muffler is made up of components including this Pipe,exhaust which is the most expensive.
