hi all thinking of puttin some speakers in my seicento rear door cars, i currenly have mac audio 6x9 there alright however im wondering if i shd put these in the door cars or if i shd get some componment speakers and put them in. which speakers are louder for vocals and mid ect got all the bass in the boot 2 12" subs haha

It depends on how much work you are willing to put into it. You can build components into the front doors. Add an amp and you will be laughing.