I am getting ready to mount my Pioneer TS-1682R 6 1/2" speakers in my rear extended cab doors. I already have the no cut plugs for the installation. Since I have already taken the trim off the rear doors once to hook up my amp wiring, I noticed that on the stock speakers the bottom two tabs fit into slots on the door itself. Is this going to be a problem when I go to install my new speakers, and has anyone installed the same speakers back there, and if so how are they mounted or screwed???? Picts or comments will help!!!