Keep Back up files before install mods.

Using OpenIV
1.GTA V/update/update.rpf/common/data/handling.meta
2.Extract original handling.meta to somewhere for back up.
3.Replace original file with the mod file.

Mod 1
Most of vehicles are much more deformable than the original game.
Vehicle damages are mostly cosmetic,so they dont blow up easily or cathes fire.

Mod 2
Police vehicles are much more deformable than the original game.
X speed increased (high speed chases)
X lowerd the weight (easy to bump)

Civil vehicles remains as the original.
Great mod for police chases.