The H9B bulbs are a huge improvement from the stock low beams on my 2012 Hyundai Santa Fe (H11B). For whatever reason, the H11B bulbs barely illuminated the road in front of me on a dry night. In the rain or snow, the road virtually disappeared. With the H9B bulbs though, I feel a lot safer driving at night. I can clearly see the road and with the projector headlights on the Santa Fe I'm not blinding oncoming drivers, which was a major concern when upgrading my low beams. I will definitely buy these again.