GrimmSpeed Air Oil Separator Red 08-14 WRX / 05-09 Legacy GT / 09-13 Forester XT / 05-09 Outback XT YMM_2002_Impreza Enhanced Durability: Silicone construction resists

Enhanced Durability: Silicone construction resists cracking and hardening over time

Deatschwerks fuel injectors are built from using only OEM Cores

Its internal threading eliminates the need for set screws or adapter sleeves

Ideal for Subaru WRX and WRX STI sedan owners looking to boost performance without compromising reliability

This Whiteline Endlinks Front & Rear set is engineered for 2002-2007 Subaru WRX Wagons and features durable polyurethane bushings for reduced noise and deflection

GrimmSpeed Air Oil Separator Red 08-14 WRX / 05-09 Legacy GT / 09-13 Forester XT / 05-09 Outback XT YMM_2002_Impreza Enhanced Durability: Silicone construction resistsEnhance your Subarus engine performance with the GrimmSpeed Air Oil Separator, designed specifically for 2008 2014 WRX, 2005 2009 Legacy GT, 2005 2009 Outback XT, and 2009 2013 Forester XT models. This premium AOS removes oil from the crankcase ventilation system, preventing oil buildup in the intake and improving overall engine efficiency and reliability. Crafted from fully machined billet aluminum with an anodized finish, the GrimmSpeed AOS offers