Rattles

Hey, what's up guys.
 
I have a 2006 Tiburon GT and I have rattles out the ass. I added a stereo system in my car a while back and the piece that snaps the visor in rattles. The passenger side rattles and I'm thinking it's the visor too... it's loud as hell. I also have another rattle that's right behind my left ear; it sounds like it's in the door pillar or something. WTF could that be? And any help on the visor snaps? Thanks.

my 06 se rattles too, in all the same spots, the pillar behind your ear is actualy the seat belt coil and the push button adjustment in it.  

I never get why people what a big, powerful stereo in the car, then complain when it makes everything inside the car rattle.

What did you expect?

Yeah thats pretty normal dude.

I have a 98 tiburon and there is no big fancy stereo but the driver side front piller rattles and I to have not figured out why. I also have a rattle in my shifting linkages.