I voted and posted black since you have no other bling as it would stand out. And it is a slippery slope.
But I love polished stuff. You start with one piece and before you know it the car looks like it is in 1978.
And don't get me wrong I loved 1978. I think the movie Hot Tub Time Machine is...
I know you said, no paint. But proper prep, and adhesion promoter, followed by dye us not paint. And will hold up. I did so in the body shop with great results on tops, vinyl and plastic parts.
John at USCarToolells the classic air ones and installs them as well. he is easy to deal with and knows what he is doing, I would call him since he will give you personal service with ethe order as well as tech if something goes wrong with the install. Nice to have someone to call in a pinch if...