The Subaru STI Air Oil Separator by Perrin Performance is a prime addition for the dedicated auto enthusiast looking to improve the life of their engine. Designed for models from 2004-2021, this high-quality red separator efficiently separates oil from the crankcase vapors, ensuring your engine runs clean and efficiently.

The Perrin Air Oil Separator is an essential upgrade for Subaru STI owners serious about engine performance. This separator minimizes oil deposits in the intake system, which can lead to detonation, a common issue in turbocharged engines. By efficiently segregating the oil from the crankcase pressure, it keeps the engine components cleaner, reduces sludge build-up, and enhances engine longevity. This durable component is engineered for reliability with a unique design to withstand extreme conditions while maintaining optimal performance.

Features

• Designed for 2004-2021 Subaru STI models
• Ensures cleaner engine operation
• Reduces detonation risk in turbo engines
• Improves engine component longevity
• Durable high-quality construction
• Available in a striking red finish

If you're serious about getting the most out of your Subaru STI, the Perrin Air Oil Separator is a must-have. Feel free to contact us directly with any questions or to schedule an installation. We proudly offer installation and customization services at our locations in Austin, Texas and Los Angeles, California. Call us at 512-982-9393 (TX) or 562-981-6800 (CA). For those considering multiple item purchases, please contact us for shipping discounts. Installation available on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov