Tomioka Racing Air Oil Separator Subaru WRX / STI 2002-2007

Part #: TR - AO1000. The air and oil separator is essential for all Subaru engines! Crafted from top - notch aluminum, this useful unit lowers emissions, keeps the intake charge pipe spotless, cuts down on engine oil burn, and reduces detonation caused by a dirty intake charge pipe. Tomioka Racing AOS works well with the factory PCV system and automatically drains oil into the factory oil pan. Features: Easy installation with fewer hoses and hardware. A twist - off cap that needs no tools to open. It equalizes pressure from the crank case to cylinder heads. Its compact and lightweight design saves space. Part Number: TR - AO1000

Using the Tomioka Racing Air Oil Separator is a breeze. First, it's easy to install as it requires fewer hoses and hardware. You can open the twist - off cap without any tools when needed. As it works, it'll help keep your Subaru engine running smoothly by reducing emissions and oil burn. When it comes to maintenance, make sure to check the oil drainage regularly to ensure it's flowing into the factory oil pan properly. Also, keep an eye on the intake charge pipe to see if it stays clean. If you notice any issues, consult a professional. And remember, this separator is designed to work with the factory PCV system, so don't try to modify it too much.