Perrin Performance Air Oil Separator for Subaru WRX/STI/LGT OBXT FMIC Neon Ye...

Perrin Performance Air Oil Separator — Neon Yellow Fitment: 2002–2014 Subaru WRX, 2004–2021 STI, 2005–2009 Legacy GT & OBXT (vehicles equipped with front-mount intercooler) The Perrin Performance Air Oil Separator is engineered to reduce crankcase pressure, remove oil vapor from the PCV system, and keep intake tract and intercooler cores cleaner for improved longevity and performance. Finished in eye-catching neon yellow, this unit combines motorsport-grade function with distinctive style. Improved reliability: Prevents oil accumulation in the intake and intercooler for consistent boost response and fewer maintenance cleanings. Efficient separation: Multi-stage baffling captures oil droplets while venting clean air back to the intake or atmosphere. Direct fit: Vehicle-specific mounting and included hose fittings make installation straightforward with factory PCV locations. Durable construction: High-quality materials resist heat and vibration for long service life. Visual upgrade: Neon yellow finish adds a bold OEM+ accent under the hood. Ideal for daily drivers and tuned builds, the Perrin Air Oil Separator helps maintain performance and reduce carbon buildup. Backed by Perrin’s motorsport pedigree, it’s a smart upgrade for Subaru enthusiasts seeking cleaner induction systems and improved engine health.