Extend the life of your Subaru WRX STI’s Air Oil Separator with the Verus Engineering AOS Drain Kit, designed for model years 2008-2021. This premium add-on eliminates the need for manual draining or opening the unit, allowing you to enjoy years of maintenance-free operation. Simply install the kit and drive with confidence knowing your AOS will automatically drain oil back into the engine.

The kit includes all necessary components for a seamless upgrade: a pre-cut 1/2" rubber hose, a 3/4"x1/2"x1/2" T adapter fitting, a 6AN ORB to 1/2" hose barb, an AOS drain fitting, Buna O-ring, and zip ties. All fittings are CNC machined aluminum with anodized finishes for durability and a precise fit. This ensures reliable oil separation and automatic drainage without hassle.

Ideal for Subaru enthusiasts focused on performance and reliability, this drain kit enhances your forced induction setup by reducing maintenance time. Upgrade your 2008-2021 Subaru WRX STI today with this trusted Verus Engineering accessory. Shop now at Subimods and keep your engine running clean and efficient.