DDM Tuning Plus 35W Premium Canbus HID Kit, Slim AC Ballasts w/Hi-Output Bulbs 9006 / HB4, 4500K The DDM Plus Canbus ballast is part of the DDM Plus line of HID kits. The DDM Plus Kits use our Ultra HID Bulbs and premium HID Ballasts. Why DDM Plus, aside from the higher output from our Ultra HID bulbs you also get a more efficient, faster starting ballast. Guaranteed Error Free on 2015 Ram / Dodge Vehicles among many others. Works on domestic trucks with tuner software. Simple plug and play installation. No cutting or splicing required Kit Includes: 2 x DDM Plus 35W Canbus HID Ballasts 2 x ULTRA bulbs. WARRANTY: As always our HID kits come with a LIFETIME WARRANTY.