Will this cover mount to my existing bumper frame or does it replace the whole bumper?

This is a cover that installs over your existing rear bumper assembly. You're not swapping the structural bumper itself—just the chrome face. Mounting uses the factory anchor points already there.

Can I install this myself with basic hand tools?

Yes. Designed for DIY installation using standard hand tools. The cover bolts to factory locations, so no welding, no drilling, no custom fabrication required.

Does this chrome finish need any prep before or after installation?

The cover ships ready to install. Once bolted in place, wipe it down to remove any warehouse dust, and you're done. Chrome maintains itself if kept reasonably clean.