I tried out both versions, the iv handling is really stiff, there's a lot of body roll and the car is way too understeery. Your custom handling option was perfect, just the right amount of oversteer for a big heavy rear wheel drive V12, good power, really nice to drive. Definitely prefer your custom handling. 100% towards the custom handling. 2 thumbs up.

The police lights on my cop cars stopped working, I don't have any police mods. Where is the folder/file that effects these, or any other help.

Exactly what the title says, at least a middle seat, if 3 isn't possible, to be more like the real F1 and F1 GTR Longtail.

My photoshop skills aren't the greatest, so looking for Lore-Friendly or made up brand like Sparco, momo, nardi ect. Here is an example of the template textures:
The Karin logo being the brand logo, and the Karin Twin Turbo 3.5 being the Brand name on the wheel.

File located at Grand Theft Auto V\mods\update\x64\dlcpacks\patchday9ng\dlc.rpf\x64\levels\gta5\vehicles.rpf\ in sultanrs.ytd