==================Installation==================
[flatbed3.xml part 1]
1. Copy "scripts" folder to your GTAV directory.
2. Download Flatbed script by I'm Not MentaL.
3. Continue installation.

[dlclist.xml part 2]
1. Extract  "dlclist.xml" with openIV from -----> \update\update.rpf\common\data
2. Add new line "<Item>dlcpacks:\flatbedm2\</Item>" to dlclist.xml
3. Save, and replace the old one at ------> \update\update.rpf\common\data

[dlc data part 3]
1. Create a folder under \mods\update\x64\dlcpacks\ called "flatbedm2"
2. drop dlc.rpf into the folder you just created.
3. Have Fun!

=========SPAWNING THE NEW ADDED CARS=========
I recommend you to use Enhanced Native Trainer or Simple Trainer, etc with "spawn car by name" function.
Select this function and input the car name to spawn it
Ingame car names

2013 Freightliner M2 Crew Cab Flatbed  --------> Type this name: flatbedm2