I have tried both PIAAs and Hella replacement headlight bulbs, My opion is they are the same and the HELLAs are way cheaper in cost, The PIAAs I would have to replace every 6-8 months and that starts to get expensive. The HELLAs OPTILUX White. Are very good.
Here is the link http://catalog.com/susq/
9004 12v 65/45 PR=$27.5
9004 12v 100/80 PR=$27.5
H3 12v 55w PR=$24.5
H3 12v 100w PR=$24.5

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