This EXHAUST assembly utilises three Bolt, Flange(s) - the highest specified component.
Some items from this specific schematic: Damper, Muffler, Washer, Plain, Collar, Washer, Protector.
The most reasonably priced component used on the Xn150 Teo's 2002 5pr3 Spain 1a5pr-300s1 Exhaust is the Washer, Protector.