This is simply an edited handling.meta. The author increased the deformation 'DeformationDamageMult' by +99999999999999999999,200000! (that's a lot)....
This mod introduces more detailed and realistic damage for GTA V (similar to GTA IV) Now you can turn your car into a pile of metal. Installation: - ...
This mod improves vehicle deformation. Installation: Use OpenIV 2.6 , select update.rpf > common > data, switch to edit mode, drag/replace the handl...