Do these mount at the factory fog light locations?

Yes, these are designed for factory mounting points. No drilling or bracket fabrication required — they bolt into the existing openings on your bumper.

Will I need to splice into my vehicle's wiring?

The harness connects to your vehicle's electrical system — consult your Camry's service manual or a wiring diagram to identify the correct power and ground points. No modifications to the assembly itself are needed.

Can I replace the H11 bulb later if it burns out?

Absolutely. The bulbs are standard H11 size, so any replacement H11 bulb from any manufacturer will fit. You'll find them at any auto parts store.