The Perrin Air/Oil Separator is a high-quality aftermarket component designed specifically for Subaru WRX models from 2002 to 2014 and STI models from 2004 to 2019 equipped with a front-mount intercooler (FMIC). This device functions to improve engine health by efficiently separating oil vapors from crankcase gases before they are recirculated into the intake system. Constructed with durable materials, it helps reduce oil consumption and carbon buildup, contributing to cleaner intake tracks and more consistent performance. The separator is engineered to provide a reliable and maintenance-friendly solution for performance enthusiasts seeking to optimize their engine’s longevity and efficiency.
This universal fitment part is suitable for Subaru WRX and STI models within the specified years, particularly those with a front-mount intercooler setup. It serves as an upgrade or replacement component to help maintain optimal engine operation under various driving conditions, including street and spirited driving. The installation is straightforward, designed as a bolt-on upgrade that integrates seamlessly with the stock or aftermarket intercooler systems. The kit includes the necessary fittings and components to ensure proper installation, making it an ideal choice for those looking to enhance engine durability and performance in daily or performance applications.
