A sample from the products for the Exhaust Muffler include: Washer, Handle, Chamber Comp.,ex., Nut,hex.,8mm, Rubber,muff,set.
In this schematic the "Rubber,muff,set" is used most often.
eight components are shown in this Nsr125r 1991 (m) Finland / Kph Exhaust Muffler exploded diagram.