If someone wants it but has 1" pipe exhaust, I'm thinking a coupler can be threaded on to a 1" pipe nipple then clamp the muffler to that. Something like this. Maybe even a common black pipe couple would work too
https://www.supplyhouse.com/Bluefin-BLMC100C-1-Black-Merchant-Coupling?
Thx, my bad, I had the wings off for storage under my shelf prior to the pics, I forgot how they went, defiantly see and understand the front edge should be parallel to the unit.