ok. I remember a long ago was about to tell you some like: everything needs to have spec/bump maps, otherwise you will not achieve realistic lighting effects.
Now, Spec map textures are never proper (actually no texture is. As now I have the know-how)
But Specularity has always been the most lack off.
So I use "Crazybump" and see a lot can be achieved with this tool, but I early stop as shaders were never proper in GTR2. (i.e: specularity always "goes through" faces)
Then I learn if I decreased the "Specular RGB" color value (3Dsimed, less white) it "went through" a lot less and kinda still look nice (with the proper map).
So I could see that proper spec maps and values, were looking actually more realistic than just bloom (reshade), but I had to keep it very low spec values (not realistic).
Also learn how "Specualr Power" value change the sun incidence reflection (like for concrete, metal, glass, etc) and I make "some preset" values for this.
Because this I still cant think how the PBR was actually needed.
Then you start with HDR. And since the day I could test Race07/Remaster (plus all your screenshots) I confirm that it was looking washed out/cold, like in a "fixed" way, wich is something that gtr2 never been issue.
have you notice that?
So I say, gtr2 is looking nice/warm than Race07 and actually super crispier at the distance (with most your shaders of course). So I think there is some to check on that. I am willing to post what is neccesary.
I even stop my other posting stuff as we never seem to couple on same direction. makes no sense to me. As I have lot feedback, even on AI.
This track has no spec/bump map. And is ALL with "Specular T1" shader with "proper/low values" on everything except trees.
Do you see the difference that exist with gtr2?
And I remember I tried same track with "all my stuff" in RR. And still washed out/cold looking.
I think is something to check.