Dunstall Megaton Type Muffler
Part Numbers 712-114/A & 712-114/B
Reverse Cone
Made in England
Removable alloy reverse cone end cap
(Economy version 712-114 also available here)
Two options from British Cycle Supply:
712-114/A - For 1-1/2” and 1-3/8” pipes - Requires 1-5/8” clamp
712-114/B - For 1-3/4” and 1-5/8” pipes - Requires 1-7/8” clamp