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this two-piece shroud combines robust construction with a clean
Whether you're focused on street performance or mild racing
Each knob undergoes a meticulous manufacturing process starting with a mirror-polished finish followed by a hand-applied anodizing technique
making it a straightforward bolt-on upgrade for those with moderate mechanical experience
Hollow 6061-T6 Aluminum Arms (Anodized Black)
Perrin Air Oil Separator V2 Red 2002-2021 WRX / 2004-2021 STi YMM_2021_Honda this two-piece shroud combines robustPerrin Air Oil Separator V2 Red 2002 2021 WRX 2004 2021 STi Ceramic Coated CNC Machined Engine Health Component Overview The Perrin Air Oil Separator (AOS) V2 is a precision engineered component designed to improve the crankcase ventilation system on Subaru WRX and WRX STI models spanning 2002 through 2021. By effectively separating oil vapors from the crankcase gases before they reach the intake manifold, this AOS helps prevent carbon buildup that
