Alright maybe i should have thought this the post out before asking for help because i dont know what cubes are and driver displacement you mentioned lost my to. Im new to car audio and i was going to go with a pre fab box but was told not too. I even went to Realm of Excursion to see if i could better understand how to build a box, like that helped. All this box crap is F*CKING confusing, i dont even know what tunning freq i should use or what a tunning freq is. O & i forgot to mention all the lil components that'll be in the trunk like the battery, capacitors, etc.