On your second question, you just have to drill in the back. When its losend just pull the baffel backwards. It will come of pretty easy, at least my did. The baffel is just welded in the back on the DX. Search the forum and you will find the dimension on the holesaw to drill. Ill guess if its bigger than the baffelhole and smaller than the cap mounts, your in the right state at least.