The Exhaust is made up of components including this Muffler 1 which is the most expensive.
Parts such as the Exhaust: Bolt, Washer, Wave(3rw), Pipe, Exhaust 1, Washer, Plate(3mt) are included in the Xg250 2005 4d61 Spain 1d4d6-352s1 Exhaust parts fiche.
In this schematic the "Washer, Wave(3rw)" is used most often.