Here is the F.L.A.G. Mobile Unit by Jaga1973.
Select Sliding Tarp 53ft and give it two axes.
Then make this black with F.L.A.G. Mobile Unit selected.
Don't forget the Peterbilt 389 mod for Knightrider!
(I know, it was an GMC General, but couldn't find a template yet)
Have fun!
Jaga1973
Credits:
Jaga1973