Do these require any wiring modifications or relays?

These mount to factory fog light holes, so you're using your existing wiring harness. If your Maxima didn't come with factory fogs, you'll need to run separate power and ground lines — standard automotive wiring job.

Will the amber lens need paint or protection before install?

The lens comes ready to bolt on. No prep needed. Once mounted, they integrate with your bumper like stock parts.

What if I need to replace a bulb later?

H3 bulbs are generic and widely available at any auto parts store or online — pop the housing and swap it out in minutes. No special tools required.