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Old 02-19-2012, 01:45 AM   #61
0BlueSTi4
Scooby Newbie
 
Member#: 98955
Join Date: Oct 2005
Location: Los Angeles, CA
Vehicle:
2011 WRX Hatch
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Does anyone know if halogen and HIR bulbs use the same optics? I know the optics and the focal point on HIDs is different but what about HIRs???

Also, how different is the HIR bulb base compared to H9/H11?
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