The sub assemblies and components that make up this Frame Group 1g,1h,2g,2h include this Muffler, Exhaust, the most expensive part.
In this schematic the "Ball,steel.,8" is used most often.
The most reasonably priced component used on the Cb400f European Direct Sales Frame Group 1g,1h,2g,2h is the Bolt,hex., 6x16.