Will this fit my existing mirror housing without any modifications?

Yes—this is designed as a direct replacement for the factory mirror glass. It installs into your OEM housing using factory mounting points with no drilling or bracket work.

Do I need to remove the whole mirror assembly from the door?

Not necessarily. You can often access and swap the glass from inside the vehicle by removing the mirror trim panel. Check your service manual for the quickest approach on your specific year.

Is this glass already tinted, or is it clear?

Glass tint level is not specified—verify the tint preference before ordering if you need to match a driver-side mirror or have a tint preference.