I was able to score some good condition window trim pieces of an 03 LL Bean, so I swapped those in.
Mine had cracked, flaked and peeled to this level of ugliness. At least it was chromed underneath instead of rusting steel.
For anyone tackling this, to remove them you:
Pull out the window rubber
Remove 16 screws (each side) retaining trim piece in
Swap in new
Push window rubber back in the channel, making sure it is fully seated
Pretty simple and looks much better than the flaking off pieces that most 2nd gen Outbacks/3rd gen Legacies seem to have. I followed up the install with some 303 Aerospace Protectant to help it last.
Oh yeah, and I also put in new lift gate struts, that should lessen the head strikes in my household.