adding eafc24.exe and enabling vsync fixed it for me, this is my .ini file also
running at 200 fps no drops anymore!
AUDIO_MIX_MODE = 0
CONFIG_APP_LOCALE = en-US
FULLSCREEN = 1
MSAA_LEVEL = 0
RENDERINGQUALITY = 4
RESOLUTIONWIDTH = 2560
RESOLUTIONHEIGHT = 1440
WINDOWED_WIDTH = 2560
WINDOWED_HEIGHT = 1440
REFRESH_RATE = 165
VOICECHAT = 0
WAITFORVSYNC = 0
MAX_FRAME_RATE = 0
WINDOWED_BORDERLESS = 0
STRAND_BASED_HAIR = 1
USE_GOAL_NETS_3D = -1
NIS_AT_FULL_FPS = 0
CROWD_QUALITY = 3
GRASS_QUALITY = 3
DYNAMIC_RESOLUTION = 0
WINDOWTITLE = "Cutback Simulator"
RESOLUTION_FOR_DISPLAY_MODE_LIST = 0_167773600|1_167773600|2_125830200|