FYI, many states will be / are requiring stock exhaust to pass inspections. Washington is ticketing modified exhaust as a secondary offense.
In Washington, the EPA stamp on the muffler must match the VIN of the bike. If it doesn't, you can get a ticket. IDK the year the law applies to, I'm sure there are some grandfathered out years.I'd imagine with a bike that is discontinued like ours and OEM are not available than there must be some kind of acceptable replacement.