Yeah, catback's are all I am finding as well.
Just have a failing seal between silencer and cat and not wanting to spend the $ to replace it all.
I just went out and looked and it appears the bolts/springs that hold the two pieces together are super loose?
When I am changing out the thermostat and oil I will mess with it.
Close your ears bc there will be cursing.
If all else fails, I will find a shop to cut in a flex pipe.