Reviewed By Bryan Z (NOTTINGHAM, MD) Reviewed for a 2007 GMC Envoy —3/13/2018 1:21 PM
Not as bright as I expected
Learn the difference between the common lighting terms lux, lumens and candela.
Learn the difference between two of Sylvania's most popular bulbs: Silverstar Ultra vs zXe. Find out which one's right for your vehicle.
This guide will show you how to upgrade your Headlights with improved Halogen or Cutting Edge LED Headlight Conversion Kits.
Know before you buy! Read customer reviews about Headlight Bulbs or ask our Product Experts.