Parts such as the Air Cleaner/muffler ('74-'75 B/c: Bushing,rubber, Holder,air Filter Ele, Washer-spring,8mm, Clamp are included in the G5b 1974 Canada Air Cleaner/muffler ('74-'75 B/c parts fiche.
The thirty-two G5b 1974 Canada Air Cleaner/muffler ('74-'75 B/c component parts are all listed in this schematic.
The Air Cleaner/muffler ('74-'75 B/c assembly is constructed from several parts from which the Muffler is the most expensive.