Improve the lighting on your 2004.5-2005 Chevy/GMC 6.6L LLY Duramax when you install aftermarket Halogen & HID Lighting. Get 6", 7", 8", and 9" round HID lights to illuminate the trails in front of you. Strobe lights and warning lightbars are available with amber lights for safety and security vehicles. XDP has the Halogen & HID Lighting you need, carrying top brands like Wolo, Anzo, and Putco.