Mounting Depth on rear speakers

[97srad750]

As most of you already know the mounting depth on the back speaker isn't that. I need about a 1/4" more. I know there is metal plate back there. Is it possible to use a hole saw and cut a hole in that plate. I don't think the magnet on my speakers would passed the plate, but that extra space would help. I already have the speakers and was hoping to avoid buying new ones.

What do you think

 

[97srad750]

Does anyone read this section?

---------- Post added at 04:18 PM ---------- Previous post was at 02:38 PM ----------

Nevermind. If any one needs to know it won't work. The power window motor has mount in that area.

I got the speakers to fit though