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Old 04-13-2012, 04:09 PM   #98
Scooby Specialist
Member#: 236952
Join Date: Jan 2010
Chapter/Region: MAIC
Location: Baltimore
2010 WRX (SSM)
Stg 2+ 310/370, 6sp R180


a retrofit is when you install HID projectors in your original housings. the stock housings have Halogen projectors, not HID projectors, and while they look similar (both are projectors), they will refract light differently. HID bulbs with Halogen projectors may be "better" than HID bulbs with regular Halogen reflectors, but it is still not correct.
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