Mounting the coroplast tray to the frame.
Cutting out slots, these will be wedged between the oem sideskirt and the chassis
Drilled holes into the middle cross bar. I used speed nuts as I will not be able to reach behind the bar
Lining up the holes
Finished product!
Added the a piece of coroplast to connect the front tray to the middle tray
View from the front, looking back
Next up:
Add aluminum flashing down the middle
Attach rear under tray
Attach rear diffuser