Want to upgrade speakers

[Biggiesmails72]

Right now I have two 6 1/2 kicker cs speakers in the front, and two 5 1/4 kicker cs speakers in the back. Being powered off my headunit Kenwood Excelon KDC-X397 CD receiver at Crutchfield.com

Im going to sell these to my friend and some other things which might free up some money (think around $200) Id like to cut out a hole in my rear doors to fit 6 1/2 all around. Any suggestions? I figure I should look into getting an amp, speakers, and tweeters. What are some good brands to look for?

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[bradl79 10+ year member]

I think U may want to make a baffle instead for ur rear. If U have enough space in ur door panel

 

[keep_hope_alive Premium Member]

it won't make a lick of difference going from 5.25 to 6.5 in the rear doors and it is a lot of wasted effort with minimal gains (if any). your current limitations in sound are how your doors are treated (or lack of treatment) and available power (amplifier). properly seal your doors and seal the speakers to the door panel and you will be happier. then give them power. after that, upgrade if you want.