Do these lights come with all the fasteners and wiring connectors?

The pair includes the light assemblies. Hardware specifics aren't confirmed — test-fit before committing to fastening method, and verify connector compatibility with your vehicle's factory harness.

Will the crystal smoke finish still allow enough light output?

Crystal smoke is designed to transmit white LED brightness while toning down glare. You'll get modern aesthetics without sacrificing visibility — these are functional lights, not purely cosmetic covers.

Can I install these without removing the entire front bumper?

These mount at factory bumper points. Depending on your access, you may be able to work without full removal, but a test-fit will tell you if bumper drop is necessary for your comfort level.