The Exhaust Muffler is made up of components including this Chamber Comp.,ex. which is the most expensive.
A sample from the products for the Exhaust Muffler include: Chamber Comp.,ex., Nut,cap,8mm, Nut, Flange, 8mm, Rubber,muff,set.
In this schematic the "Rubber,muff,set" is used most often.
