The D+ doesn't have wire backed media like the PSL, plus the Bosch is vague at what level their 99.9% filtration is at. I feel that the wire backed media ensures that the media will not tear or lay down flat, it will stay uniform ensuring you get maximum capacity and filtration. I'd say with filtration that is at the very least equivalent, better construction and a lower price, the
PSL is the winner.
As for the Fram XG, it has great construction but it doesn't seem to compete in the filtration dept. I'd say construction wise the PSL and the XG are a wash, and I will pay $1 more for the extra filtration of the PSL.