Sylvania Automotive 32745 Sylvania D8S Basic Hid Headlight BulbSylvania 32745 SYLVANIA High Intensity Discharge (HID) Lamps use less energy than halogen lighting, while producing 3 times more light and less heat. HID lighting is light from a plasma discharge rather than a filament creating a distinctive blue white look in your vehicle. LIGHTS DIM OVER TIME, REPLACE IN PAIRS: Your lights are a pair, one is never turned on without the other. If one bulb burns out, the other isn't far behind. Replace your D8S HID