PIAA Xtreme White Plus vs. OSRAM Cool Blue Intense

Find out the differences between PIAA Xtreme White Plus and OSRAM Cool Blue Intense in the latest post from PowerBulbs, the automotive lighting specialists.

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PIAA H4 Xtreme White Plus 15224

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PIAA H4 Xtreme White Plus 15224

The ultimate headlight upgrade H4 (not LED or HID), Page 221