Those aren't "silly" aftermarket blades! They came factory installed on my Snapper, which i bought in '83, from the Dealer! Might i suggest that you get yourself informed about the machine you are dissing, so you don't, in the future, stick yer foot in yer mouth!
Also--those wings are not used, furnished, to lift the grass, nor to mulch it! they are strictly used to blow the grass up the tube and into the bagger! If you want to mulch, i do think they furnished a blocker to install where the first part of the bagging system attaches to the deck! But, you can not use the bagging system if that is attached. DUHHH!?! :0(