In short, yes! I can open the hatch all the way. There are two ways to achieve this... One is to move the box forward enough that the hatch opens all the way. For me, I like things to look "balanced" so after a few days I decided that I would rather move the box back a little bit to make the positioning look better. But this meant that I could open the hatch without the spoiler hitting, so I came up with a really cheap solution that works great.Very nice!
Are you able to open the hatch completely with the box installed?
At some point I might get a box too for sky season but I’d prefer not to have to worry about the wing hitting the box!
Basically, I limited the hatch opening height slightly by using some paracord, bungee-cord, and two carbiners. I put a limiter on each side that connects to the grab-handles on the trunk. The other side of the paracord is tied to the trim screws on each side of the trunk. The bungee-cord keeps the carabiners from rattling around when the hatch is closed and act as a shock absorber. Here are some pictures: