These headlights are designed to improve looks and visibility for your 1999 2000 Honda Civic. - These headlights are not compatible with factory Xenon H.I.D. system, it comes with its own standard Halogen light bulbs for installation. - Made by OEM approved & ISO certified manufacturers. - These headlights are 100% D.O.T / S.A.E approved, and 100% street legal. - The headlights are with OEM standard quality and are designed for stock lights direct replacement.