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961 2010 221
improving air oil separation
but mighty
A classy white base
The main difference is that an AOS system returns what is collected back into the oil pan so there is no servicing required
Radium AOS-R Air Oil Separator Kit (02-2007 WRX/STI / 04-2008 Forester XT) Hi-Jet 961 2010 221High powered modified Subaru engines tend to generate excessive blow by oil and gasses. In these cases, an ordinary small catch can may quickly fill with oil and not be adequate. Like the Radium Engineering Subaru Dual Catch Can Kit, the AOS (Air Oil Separator) kit is responsible for keeping blow by oil and other pollutants out of the intake pipe, manifold, turbocharger, and intercooler during all engine loads. The main difference is that an AOS R
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