Some items from this specific schematic: Cover Comp A,exh, Nut Self Lock 8mm, Stay,l.ex.manifol, Cover Comp.b,ex.m.
The sub assemblies and components that make up this Exhaust Manifold include this Mnfld,exhaust ., the most expensive part.
The Bolt,flange,10x25 is the lowest priced item on this Exhaust Manifold schematic.