I got the hood scoop and used the two pins in the front and drilled the holes in the hood. The pins hold the front points of the hood scoop down to match the curve of the hood along with the 3M tape.
I would use the hood pins and drill the holes.
I also would not rely on just the 3M tape to hold the scoop in place. Mine does not flex with the wind, but I have the grill installed.
My install thread with pictures starts on post #4: