im not sure of the mounting depth, but illusion audio has a very shallow profile (less than 2") they sound sweet and have plenty of mid-bass to them. for a mid, upper end speaker, they have the most bang for the buck

95 zetec no engine mods
20% tint, limo strip
alpine cda7876, alpine dddrive components ddc-r17h, 2 kicker 12L7 in a ported box facing forward and sealed from the trunk air space, zapco limited edition z600 (2) getting the 3-way component set