PIAA Platinum Series with Super White Bulbs and XTRA Technology. 51watt=105watt output High Intensty Halogen. This PIAA Platinum Series technology approaches the color and intensity of High Intensity Discharge (H.I.D). Upgrade your bulbs for a whiteter brighter light. This process is applied to the bulb and lens that transforms the light output to a brilliant white that is closer to natural sun light than a standard bulb. SAE and DOT approved. 100% Street Legal. Sold in pairs.