In my case, it's HDR, but you can save FPS by deactivating sun oclusion, spectators, and lowering opponent details The best would be doing your own tests: load certain track and car, 11 AI or so, exit garage and check your FPS, then exit, change some value and test again in same conditions, then go back to previous settings and change something different and compare it's effect on FPS; that's what I would do, well, what I've actually done byyyyyyyyye