the real issue is how much lower it hangs than the rest of the bus. what if you shorten it by about half. i always like them with the bumper removed and the holes filled also. i like the tucked under look that gives. last thought (and my least favorite) is adding rockers and rear valance with same heigth. color matching as you have planned with certainly help the look.
oh, or you could add a big *** VolkSport Kafer Gruppe logo across the thing!