i've not had a chance to mount them yet, but i should have it done this week. i'll update.
if anyone wants to get an m5/650 set. contact @Empiremotorsports he is selling a used set for $300. i was talking to him before and i was gonna drive up to buy them/have them mounted... but i cleared my PM's and couldnt find his post/remember his user name. i just found it now, and im guessing they are still for sale.
this is a good buy, i could have bought and mounted these for the price i paid tischer for the parts alone.
http://f10.5post.com/forums/showthread.php?t=966699