@LRNSR send some screenshots. so i can understand what exactly u mean

@LRNSR You have some conflicting Light Ids. to fix that go into the dlcpack where your cars are installed, find the carvariationsfile entry of your addon cars, change the number of <lightSettings value="119" /> to something else.
you can use any number from 400 up to 1023. i dont know exactly if 1024 is the limit for light ids but better be safe.

for example u changed <lightSettings value="119" />

to

<lightSettings value="1000" />

now you need to find the carcols.meta your addon car and change the id number there aswell.
open the file and search for <id value="119" /> (replace 119 with the id of your addoncar)
change the id to <id value="1000" /> or whatever number u took at the beginning.

Did you ask for support on the nve discord?
you paid for the mod so you can ask for support there

@Boffers cloud be a user error or the mod just beeing outdated
imo if you want to really learn how to make your own addon folder either build your addon folder on a car dlc that u have allready installed or use this mod
https://de.gta5-mods.com/tools/add-on-replace-base-folder
however you need to learn the basics of xml editing

@Boffers the mod is outdated.
gameconfig is 4 years old
you could raise the <order value="13" /> to <order value="60" /> in setup2.xml
Location: mods/update/x64/dlcpacks/MODDING/dlc.rpf/setup2.xml
and install a up-to-date gameconfig https://de.gta5-mods.com/misc/gameconfig-xml-dilapidated

@Yunky you need to change its audiohash in dlcpatch/mphipster. u can update every audiohash in dlcpatch folders.
@Miacharlotte why u randomly linking to a clickcounter website?

@eternaLife its not clear what u actually mean.
thats what visible in this clip is normal and cant be changed (as far as i know)

@eternaLife yes thats the location to install visual 5 grassfix, use the oiv installer if needed. you find the grassfix in visual5 optionals folder (Removed grass dithering + trees reflections)
after running the oiv installer you can drop the content.xml into mods\update\x64\dlcpacks\grassfix\dlc.rpf\content.xml

@eternaLife install visual 5 grassfix https://de.gta5-mods.com/misc/visualv
and put this content.xml into the dlcfolder https://cdn.discordapp.com/attachments/880559525516697612/949001400677986354/content.xml
i removed the tree reflection stuff as it was broken for me

@ollyolly activate sleepmode in your phone settings ingame

@DugiHowser Onlinemaps enabled? disable them if so.
Vremastered + forest of san andreas is way too much vegetation to load, those are most likely the reason for stuttering and freezeframes. "My system is more than capable of running all of this smoothly" you can have the best system thats available right now, the engine is still a port from crappy ps3. if you searching for a good vegetationmod try out Beta Vegetation & Props.