I bought mine with it already installed. I like it!
I installed mine myself, piece of cake, I like it!
I installed one on my 2006 xB so I'm sure that this is similar. Did you protect the drill holes with primer and paint?I installed mine myself, piece of cake, I like it!
I don't have any better photo of the spoiler on hand, but just to give you idea how it looks from the back (please ignore the photoshop thingy, I pulled this photo from another thread I was contributing to)