i was trying to look for sylvana silverstars in H7 but no shop here in Los angeles has them..... so I got a sylvana cool blue instead..... i have them on one side only and the other side is stock right now..... cool blue has same wattage as stock... but compared to stock they are a little brighter.... 19.99 for one... silverstars are like 28 for one.
the colour is less yellow compared to stock... not entirely white like HIDs.... and they don't have a blue coating... thats what i like about it.... because blue coating absorbs all other ranges in the colour spectrum to make the beam look blue/white like HIDs.... dun like that cause it cuts down part of the light spectrum....
if you really want silverstars get the osram or phillips one from the powerbulbs website... i think they are the best...
there was a report on PIAAs saying that the performed worse than stock on the net....