Will this bolt straight into my existing bracket without any drilling or modifications?

Yes. This assembly uses factory mounting points — your original hardware and bracket work as-is. No drilling, no adapter plates needed.

Does this come with the bulb installed?

Bulb not included. You'll transfer your existing bulb or source a replacement separately before installation.

What if I need to match both sides — do I have to buy two units?

This is the left assembly only. For a complete pair, order the right headlight unit separately so both sides match.