Yeah, I know. Yojo2 allready made this one, but his version miss a feature, the extra. So, I release a new echo.dff with the extra.
The download only have the .dff. I think you know how to add vehicles. If not, well... go see a tutorial! You can also make your own carcol.
Photo : http://i1152.photobucket.com/albums/p494/Bondergomme/GGMM2013-06-2520-38-06-97_zps419e68e9.png