FM140 B2 Submount 2-in-1 Silencer #30010b
Made from thin-wall stainless steel (Paolo Severin is Aluminum), Laser welded and highly polished, without header and fixing clamp. The use of stainless steel throughout makes for an exceedingly robust and lightweight unit.
The diameter in mm will tell you which Silencer Mount to use.
Specifications for select items (length of canister itself, not counting tubes):
FM140 B2 Submount 2-in-1 Silencer
50mm diameter
150mm length
Bolt on
20mm exhaust port