@IronDad1289 I’m covering this question (and much more) here:
My 2070 SUPER VR settings and suggestions (Index - SteamVR)
My 2070 SUPER VR settings and suggestion (Reverb G2 - WMR)
The index panel resolution is a little higher than the RS but smaller than the G2 and these two guides are explaining some strategies you could use regarding FS2020 Render Scaling and the API (OXR or SteamVR) Super Sampling.