I have a used P2 rear wing spoiler that were stock equipment on the 2004 to 2007 V70R cars. This one has one of the guide mounting post cut off. I have the cut off post somewhere but some people cut them off to install the wing anyway, so they don't have to drill a large hole in their rear hatch to mount it. The spoiler is normally secured to the rear hatch with 4 screws and double sided mounting tape. You can secure it with 2 screws and double sided mounting tape with no issues. I would cut the other post off but can send you the other cut off post when I find it in my storage stuff if you'd like.
Used, grade B