Things to consider when buying a HID Conversion Kit a.k.a. Xenon Kit. See if the seller accepts returns, and the variety available. Check which bulb fits your car, and which color you want your HID lighting system in.

Here are some sellers of HID Conversion Kit (Xenon) Lighting systems for automobiles, cars.

          4,300K                               6,000K                                  8,000K                              10,000K

HID Xenon Conversion Kits in different colors. note: remember 4300k is the oem color and also the brightest. Here is the order from brightest to dimmest: 4300k > 6000k > 8000k > 10000k