GrimmSpeed Air Oil Separator Blue WRX (2008-2014) LGT (2005-2012) Acura Fully threaded shock body for

Fully threaded shock body for height adjustment

The engagement is considered to be a bit harsher

not some rebranded 3rd party product for the BMWs or generic modules that go to different car makes and models

the Turbo XS midpipe is full 3" diameter

And no spacers

GrimmSpeed Air Oil Separator Blue WRX (2008-2014) LGT (2005-2012) Acura Fully threaded shock body forGrimmSpeed has a unique design for the Subaru WRX, STI and Legacy GT which allows you to keep your PCV valve while separating the oil out of the crankcase and head ventilation air. None of the other competitors on the market are able to vent both. The unit is very compact and efficient, it bolts directly on to the factory oil cap location. You will no longer have to keep tabs on your oil level and or empty the catch can like on most standard cans as