Verus Engineering Air Oil Separator (AOS) Black 08-14 WRX / STI | A0259A-BLK Vehicle Model_Sentra Core thickness: 4 inches

Core thickness: 4 inches

ensuring strength

Bolt Pattern: 5x100mm / 5x3

For unmatched durability and performance in high-power applications

Tip Shape: Round

Verus Engineering Air Oil Separator (AOS) Black 08-14 WRX / STI | A0259A-BLK Vehicle Model_Sentra Core thickness: 4 inchesProduct Fitment: 2008 2014 Subaru WRX 2008 2014 Subaru STI The Verus Engineering Air Oil Separator (AOS) ensures the intake system remains oil free. Oil in the intake system reduces octane, which can lead to detonation, reduction in power, and carbon build up. The unit installs like an OE component with no change to the tune or setup needed. The Verus AOS also filters both the crankcase vent location as well as the intake filter location, through a