Do I need any additional hardware to install this?

The bracket mounts at factory points on your RDX. You'll use the existing fastener locations — verify what's already on your vehicle before ordering fasteners separately if your holes are bare.

Will this bracket fit if I have an aftermarket front bumper?

This bracket is designed around factory RDX mounting geometry. If your bumper significantly alters those attachment points, test-fit before committing to installation.

Does the black finish need any prep or protection after installation?

The finish ships ready to install. Road salt and brake dust will mark it over time — wash regularly if you're in harsh climates. Clear coat or protective film are optional upgrades if you want extra durability.