Hey guys, im new to the board.

im planning on putting two sets of component speakers (infinity kappa perfect components), and would like to know what sizes would fit the front, and what sizes would fit the back.

would 6.5" components be too big for the front? would they be too big for the back? would i need to go with the 5.25" ones?

also, would there be any modifications i would need to do to make these fit, or is it a simple drop it in, screw it in hook it up good to go thing? i already have a aftermarket headunit that i plan to put in as well.

i appreciate all the help in advance.