Hot Deal GrimmSpeed Air Oil Separator Black 2002-2007 WRX / 2004-2021 STI / 2004-2008 Forester XT

Description

Improve your Subaru’s performance and reliability with the GrimmSpeed Air Oil Separator, designed specifically for 2002-2007 WRX, 2004-2021 WRX STI, and 2004-2008 Forester XT models. This premium AOS prevents oil contamination in your intake system, ensuring cleaner combustion, better fuel efficiency, and reduced engine knock risk. Unlike traditional catch cans, it retains the factory PCV system and requires no draining or mesh media, making maintenance effortless.

Crafted from fully machined billet aluminum with a durable black anodized finish, the GrimmSpeed AOS features user-replaceable O-ring seals and is built to last. It efficiently separates oil from crankcase and head ventilation air, helping reduce excessive oil consumption and emissions. This compact unit is designed for factory-level blow-by, ideal for daily drivers and enthusiasts seeking reliable engine protection without hassle.

Perfect for Subaru enthusiasts focused on longevity and performance, this air oil separator offers a straightforward upgrade to keep your engine running clean. Experience the difference—shop the GrimmSpeed AOS at Subimods today!