Not mine, seller doesn't know what they're for
https://bellingham.craigslist.org/snw/d/ferndale-2-motorcycle-exhaust-pipes/7085749968.html (https://bellingham.craigslist.org/snw/d/ferndale-2-motorcycle-exhaust-pipes/7085749968.html)
almost look like 2 out of 3 h1 pipes or GT550 as the hangers are way back on j&rs for those.
:umm:
(http://www.2strokeworld.net/wp-content/uploads/other-bikes-related/20190416_195950.jpg).
I think Mark is right, look closely at how they are welded together and the lengths and angles of some of the cones. If they were for a twin cylinder of any kind they would be pretty similar or almost identical to each other.