IAG Performance V3 Street Series Air / Oil Separator (AOS) Wrinkle Black 2008-2014 WRX / 2008-2021 STI / 2009-2013 Forester XT / 2005-2009 Legacy GT / 2005-2009 Outback XT GEN_2010-2014 Legacy delivering sharper cornering and improved

delivering sharper cornering and improved driver feedback for a more engaging driving experience

Crafted from lightweight yet strong SCM435 alloy

This kit delivers faster turbo spool and enhanced engine performance by reducing airflow restrictions while maintaining a clean

The Rally Armor UR Mudflaps are a must-have upgrade for Subaru Legacy and Legacy GT owners who want to combine functional protection with a rally-inspired aesthetic

The kit includes a lightweight crank pulley that underdrives the alternator and power steering pulleys while maintaining normal A/C compressor speed

IAG Performance V3 Street Series Air / Oil Separator (AOS) Wrinkle Black 2008-2014 WRX / 2008-2021 STI / 2009-2013 Forester XT / 2005-2009 Legacy GT / 2005-2009 Outback XT GEN_2010-2014 Legacy delivering sharper cornering and improvedThe IAG Performance Air Oil Separator (AOS) is a smart upgrade for your Subaru. Developed through years of meticulous testing on standard and competitive applications, the design of the AOS offers unparalleled protection for your engine. This AOS features a 1 liter swirl pot canister made of cast aluminum. This construction significantly enhances the separation of oil from the PCV system before the PCV gasses are directed back to the intake system.