Download this file I have prepared for you: https://drive.google.com/open?id=1P6mTOCeafzHk5j3kHyQ5KpIJcyVfFpox

Go to steamapps\common\Mafia II Definitive Edition\pc\sds\tables

Make a backup of tables.sds and then replace the file with the one you just downloaded.

Done!

If you are not satisfied with the FOV, follow this guide: https://www.pcgamingwiki.com/wiki/Mafia_II#Field_of_view_.28FOV.29