GrimmSpeed Air Oil Separator Blue WRX (2002-2007) STI (2004-2018) Mazda The PERRIN inlet hose is

The PERRIN inlet hose is perfectly smooth on the inside and has a significantly larger internal diameter than the OEM part

The the N1 muffler has a JDM look

Shock Factor Shifter Bushings bridge the gap between ordinary rubber and cheap plastics used in current aftermarket shifter bushings by offering a unique Urethane specifically chosen by Torque Solution engineers to ensure product performance and reliability while drastically reducing shifter end play allowing for crisper

This axle-back exhaust from TurboXS for the 2004-2008 Forester XT features 304 stainless steel construction with 3

GrimmSpeed Air Oil Separator Blue WRX (2002-2007) STI (2004-2018) Mazda The PERRIN inlet hose isGrimmSpeed 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