Treblig's doughnut?

Treblig said
Been pretty busy...what's up???

Helloooo. We're having a jam session about your exhaust donut whizbang 5000. As seen here:

Early A exhaust fitment?

I'm having difficulty getting any local exhaust guy to make one. You don't make them any more, correct? Wondering how to proceed. Thank you for dropping in to listen to me wail like a sea creature about my exhaust troubles.