Thanks for downloading :)
1993 Ferrari 348 Spider

copy the folder 348s to

OPENIV\Grand Theft Auto 5\update\x64\dlcpacks 

Go to:

OPENIV\Grand Theft Auto 5\update\update.rpf\common\data

and edit the dlclist.xml by adding:

		<Item>dlcpacks:\348s\</Item>

Done! Spawn car by name 348s


Credits:
Model from ferrari racing legend
Hub and texture : SGDESIGN
Engine and various textures from Forza