Most package tray material does not have the cutouts for speakers except for the mesh style. So you may be trimming the material and mounting speaker grills. As far as the metal looking from inside the trunk there should be cutouts for 6x9's. The dash will have either the mono in the center or two on each side and thats it. I am going to be adding some on the lower kickpanels and they sell those already in the plastic from NPD or Yearone.