need speaker help on my 172 cup

[grant hay]

hi i need to know , what size of speakers will go into my front doors on my 03 172 cup,
i know that they are 13 cm but how deep are the doors, will any 13cm speakers fit, thanks

 

[MT AUDIO]

any mid quality items will fit fine,top end stuff is gona be a struggle but were talking expensive stuff so pretty much any