yes
they are that easy to change
yes the new speakers will be an improvement


"Jason" <blueb00k@videotron.ca> wrote in message
news:w0zue.6494$rz.71029@wagner.videotron.net...
> Hi!
>
> My speakers on my car (the one right on the driver's side door is becoming
> very "shaky") and I was wondering if I should changed them for aftermarket
> speakers? Will the sound quality improve? And if so, what 'size' should I
> buy?? Is installation just a matter of removing cover, unscrewing and
> vice-versa?
>
>
> I'm new to this so I would appreciate the help! Thanks!
>
> B-cool
>
>