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Old 11-13-2012, 08:23 AM   #4
P.Rico
Scooby Specialist
 
Member#: 239452
Join Date: Feb 2010
Chapter/Region: MAIC
Location: Wilmington, DE
Vehicle:
2010 Impreza WRX
1991 Prelude Si 4WS

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I would assume the bowls are injection molded thermoplastic polymer and the inner is a sputtered or electroplated Al, much like the STi and WRX projector bowls are. If you look at the bowls from the headlight you'll see (PPS-(GF+MD)50) stamped on it, which is a Polyphenylene Sulfide with 50% mix of glass (fiber) and mineral reinforcement.
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