Yeah not much room under the rails. Does not block sunroof. And it's flat on top. The srock side rails are flat but the roof curves a bit. I mounted my Treds this weekend with no issues.
View attachment 1782358
View attachment 1782360
What mounts are you using for your treds?

does the heat shield get out of its tiny space??? I’ve removed the dipstick tube but there still doesn’t seem to be an exit path!