Optimization (GRID Legends)

Well, a little bit about optimization.
Processor: Ryzen 5 2600 3.9 Ghz
Memory: G.skill aegis 16Gb(2x8) ddr4-3200mhz
Graphic: MSI GTX 1660 VENTUS XS 6G OC 2070/9600Mhz
FPS jumps from 45 to 60, heavy location and rain with thunderstorm.
Under normal conditions, stable 60+.