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Old 06-03-2010, 07:31 PM   #10
GrimmSpeed
NASIOC Vendor
 
Member#: 136396
Join Date: Jan 2007
Chapter/Region: MWSOC
Location: Minneapolis, MN
Vehicle:
2015 WRX, 2012 WRX,
2013 BRZ, 2006 STI

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An aos is an extremely effective unit at preventing oil consumption, while a catch can works its still taking oil out of the engine and essentially throwing it away.

Will
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