Do I need to buy bulbs separately?

Yes. This assembly comes with the housing and lens only — you'll need to source 9005 and 9006 bulbs separately. Both are readily available at any auto parts retailer.

Will this require any wiring or splicing into my factory harness?

The assembly itself plugs directly into your factory connector. No splicing or modification to your vehicle's wiring is necessary — it's a straight swap.

Can I install this myself with basic tools?

Factory mounting points mean no drilling or custom brackets needed. You'll need a Phillips screwdriver and socket set to remove trim and unbolt the old unit. Plan on 30–45 minutes per side if you're comfortable with hand tools.