2008 Ford Mustang Headlight High Beam and Low Beam(with HID headlamps) D3R HIDBuy the Best solution to replace your factory HID system, with an aftermarket, LED system that eliminates all needs for your factory bulbs, ballasts, and igniters. Change your current costly setup to a simple LED setup. (Simple wiring is involved with this kit, just 2 wire splices on each side to bypass factory ballast.) No need to buy an expensive factory ballast if your bulbs go out simply replace the whole technology of HID bulbs with a brighter