Average Reviews:
(More customer reviews)ALL the DOT-legal high output bulbs achieve higher output by overdriving the filiments, which reduces bulb life. They have to do this because the DOT puts limits on wattage. The only exception are HID and HIR bulbs, which use new technology to get more light out of less watts.
According to Sylvania:
"Since our SilverStar(r) ULTRA
headlights are up to 50% brighter than standard halogen, they will have
a shorter life span when compared to our other products. Part number
9005SU will last for approximately 125 hours of "on time", 200 hours for
part 9006SU."
For comparison, standard Halogens are rated at 1000/350 hours low/high. Use the S
If you want good lights on a 9006/9005 car, get some Toshiba 911 and 912 HIR bulbs. They'll cost you about $15 more than the Silverstars Ultras, put out more light... and last 5 times as long!
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Sylvania 9006SU BP SilverStar Ultra High Performance Halogen Headlight - Pack of 2Sylvania SilverStar Ultra High Performance Halogen Headlight is fashioned for brighter and whiter light. It has dual filament for both high beam and low beam. This operates with internal gas pressure which significantly reduces the rate of tungsten evaporation. Its analogous non-halogen incandescent lamp operates the same filament temperature with greater luminance and efficiency. This combined effect of higher pressure and the halogen cycle give halogen lamp much longer life.
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