Looks great TiAg, the Mothers has a bit too much shine for me, but it looks to be a good product.
I haven't ever dyed my plastic either, I tend to "maintain" it. Usually clean off oxidation and any dirt with an APC prior, then I dress it with a water based vinyl/plastic dressing, currently I use Adam's Super VRT, which gives a nice natural look and color to the plastic, really brings it back.
I also noticed after the first time I cleaned/dressed it, each subsequent application to the trim has been a longer interval until needing to do it again. You'll find that once it's been maintained the dressing will last longer on the plastic, and obviously a little goes a long way. If you find it runs at all, its being applied too thick and you can knock out the excess when its dry with a dry MF towel.
Although I'm sure you already know all that
If you didn't wipe down the trim prior to dressing, with a mild APC, next go around I would do that, should help it last longer.
@Mike, your wheels look much better than those old ones, 5 spokes much easier to clean and a simpler design is much better in general, the old ones were too busy.
@Junger, Mike has 2-axle EHC as do I, he is lowered via DIS which we all can do with a few minutes and a laptop on the 4-corner system.