Tomioka Racing Air and Oil Separator - 2015-2021 Subaru STI

This system has been designed to prevent harmful oil vapors and residue from entering the intake system which can certainly lower your performance.

Tomioka Racing Air and Oil Separator

Highlights

• Constructed from high-quality aluminum materials
• Lowers emissions
• Helps keep the intake charge pipe clean
• Reduces the oil burned in the engine
• Reduces detonation due to a dirty intake charge pipe
• Compatible with the factory PCD system
• Drains oil into the factory oil pan automatically
• Includes oil resistant hose
• Includes zip ties and hose fittings
• Includes adapter
• includes rubber cap

Keep Your Intake System Clean

This system has been designed to prevent harmful oil vapors and residue from entering the intake system which can certainly lower your performance.

The air and oil separator is a must have unit for all Subaru engines! Constructed from high-quality aluminum, this handy unit will help you lower emission, keep the intake charge pipe clean, reduce the oil burned in the engine and reduce the detonation due to a dirty intake charge pipe. Tomioka Racing AOS is compatible with factory PCV system and it drains oil into the factory oil pan automatically.