how do you install it i thought it would be take old out in with jdm but its not bc the vents dont line up right...What do i have to get to make this work, do i have to get jdm ac vents or do i just gotta cut mine to make it fit,as you can see im a complete newb to this stuff i hope i explained myself enough, i have searched but all i find is people swithching 96-98 over to 99-00,,, any help is appreciated