Have just installed a set of Silver Star headlamps and they are noticibly whiter than the XtraVision lamps they replaced. There is a downside though, they do not seem to last very long. According to Sylvania the XtraVision (also 55/65 watt) is rated for 850 hours before needing replacement which is quite a while for most people.
The SiverStar OTOH is only rated for a life of 100 hours or "We estimate the SilverStar halogen lights to have a life span of up to one year under average driving conditions."
Has anyone been using a set for over a year ? What happens ?
Think I will put off replacing the XtraVisions in my other cars.