Killer Bee Air Oil Separator 08-14 Subaru Impreza WRX & 08+ STI / 05-09 OXT / 05-09 LGT

Killer B uses a high-flow vortex separation approach to remove oil mist from crankcase gases before they return to the intake, helping reduce oil contamination without relying on restrictive filter media.

Fitment: 2008-2014 WRX; 2008-2021 STI; 2005-2009 Legacy GT / Outback XT

• Vortex-style oil separation
• Designed to maintain crankcase flow
• Application-specific hose and mounting package
• Serviceable drain-back / collection layout depending on application