Do these lights come with everything I need to install them?

You get the light assemblies, switch, and bulbs. You'll need basic wiring—check your service manual for the exact harness routing and any additional connectors your model might require.

Will the smoked lenses affect light output?

Smoked lenses reduce brightness compared to clear lenses. They're designed for appearance first. If you need maximum visibility, test-fit them before committing to keep them installed.

Can I replace just the bulbs, or do I need new housings?

Bulbs are replaceable—pull them straight out of the housing. H11 is a common bulb type, so sourcing replacements later is straightforward.