Too bright??? No ! The more you can see at night the better. Brighter headlights will not blind oncoming drivers if they are aimed correctly and you dim your high beams.
Will Silverstar's burn out quickly? That depends upon how much night driving you do. I had a set of Silverstars in my new 2001 Sport Trac that I purchased in 2000. I took the bulbs out when I traded it for my new 2003 Sport Trac and put the Silverstar bulbs in my new Sport Trac. I drove the 2003 Sport Trac until early 2008 with the same bulbs. That's about 6-7 years of use without a bulb failure, but I do not do a lot of night driving...and I still don't.
I have Silverstars in my leased 2013 Hyundai Tucson and I have nearly 3 years of use on those bulbs without a failure.
I also heard of some people with Silverstars that burned out in just a few months?? I am not sure if the early bulb failure is caused by defective bulbs, or improper installation.
It is very important not to touch the glass part of the bulbs when installing them. Halogen bulbs burn very hot and the oils from your hands on the glass portion of the bulbs can cause early failure. It is recommended that you use gloves, or hold the bulb in a paper towel while installing the bulb. I go one step further....I install the bulb into the bulb holder using a paper towel, but then I use an alcohol wipe to clean the bulb insure any contaminates or finger prints from the manufacturing or packaging process are removed.
I can't say if my long bulb life is because I don't do a lot of night driving, or I ensure the bulbs are clean when installed?
...Rich