I only go with white lights for regular, driving or fogs. In addition to Hella, Cibie is another very good upgrade company. Sylvania Silverstars are also excellent bulbs if you already have lights with housings that take replaceable bulbs.
Leo Bricker, 73's K5LDB, OOIDA 677319
Owner, Panther trucks 4958, 5447
Highway Watch Participant, Truckerbuddy
EO Forum Moderator
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Support the entire Constitution, not just the parts you like.