Well the tubeing was for a rub rail type thing and more storage area for cans or tanks, If its not liked then could be replaced with the flat fender thing that others use. With me driving I want rub rails lol. As for lead time, I don't know yet, I just built this one for myself in my spare time, I haven't been in a hurry on this, I just wanted it done for WENT so no rush, but now with all the interest I'm finishing it up so I can start one for someone and then I'll know prices and time. When I build another I will know more.