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Radium Engineering Air Oil Separator (AOS) Return Kit for 2015-2020 Subaru STI

Maintain optimal engine performance and longevity with the Radium Engineering Air Oil Separator (AOS) Return Kit, specifically designed for the 2015-2020 Subaru STI. This essential component effectively separates oil vapor from the crankcase gasses, preventing it from entering the intake system and causing carbon buildup or reducing octane. Keep your EJ engine running cleaner and more efficiently.

Advanced Oil Separation Technology:

• Vehicle Specific Design: Engineered for a perfect fit on 2015-2020 Subaru WRX STI models, including Base, Limited, Launch Edition, and Type RA variants.
• Complete Installation Kit: Includes all necessary brackets, hoses, and hardware for a comprehensive and straightforward installation process.
• Fully Serviceable Unit: The AOS is designed for easy maintenance, allowing for periodic cleaning to ensure consistent performance over time.
• Protects Engine Internals: Prevents oil contamination in the intake manifold and combustion chamber, reducing detonation risk and preserving engine health.

The Radium AOS system is a critical upgrade for any performance-oriented Subaru. By effectively managing crankcase vapors, it helps maintain consistent air-fuel ratios, reduces oil consumption, and prolongs the life of your engine's critical components. The kit's thoughtful design ensures a clean installation that integrates seamlessly with the factory layout.

Ensure your Subaru STI's engine is protected from oil contamination. Invest in the Radium Engineering Air Oil Separator Return Kit for superior engine health and performance. Find this and other high-performance engine components at GGCRACING.