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Holiday Gift Guide Perrin Air Oil Separator Stock Tmic (various Colors) 2008-2014 Wrx / 2008-2021 Sti Collection [0I8WYZQr]

$70.99 $227.99 -69%

Perrin Air Oil Separator for WRX/STI The Perrin Air Oil Separator Stock TMIC is a premium component designed for the 2008-2014 WRX and 2008-2021 STI models. This innovative separator is engineered to trap oil from the crankcase vents before it reache

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Perrin Air Oil Separator for WRX/STI

The Perrin Air Oil Separator Stock TMIC is a premium component designed for the 2008-2014 WRX and 2008-2021 STI models. This innovative separator is engineered to trap oil from the crankcase vents before it reaches the intake system, enhancing overall performance and efficiency. By reducing the amount of oil that enters the intake, the separator helps to increase intercooler efficiency and decrease the likelihood of performance-robbing detonation.

Technical Specifications and Features

The Perrin Air Oil Separator is a compact yet highly effective solution. It features multiple baffle walls that simulate the surface area of a larger separator, providing an impressive 50.25 square inches of surface area within its compact design. This ensures that oil is effectively separated from water vapors, allowing the oil to drain back into the engine while keeping the intake system clean. The separator is constructed with all necessary hoses and hose fittings, and comes with a choice of red powder-coated finish. The included hardware, brackets, fittings, and clamps make the installation process straightforward and hassle-free.

Benefits and Applications

The Perrin Air Oil Separator is not just a component; it's a vital upgrade for any performance-conscious driver. By reducing carbon buildup in the combustion chamber, intake valves, and intake tract, this separator helps maintain engine health and performance. Its ability to separate engine oil from water vapors also contributes to a cleaner and more efficient combustion process. Whether you're a daily driver or a track enthusiast, the Perrin Air Oil Separator is an essential addition to your Subaru's intake system, offering a range of benefits that include improved performance, reduced maintenance, and enhanced fuel efficiency.

What Our Customers Say

January 2, 2026

Absolutely no complaints!

A great product that is very useful.

- Giles F..

January 2, 2026

Absolutely no complaints!

It’s a very impressive and clever gadget.

- Betrys T..

January 2, 2026

Absolutely no complaints!

This is a very neat and clever device.

- Hazel G..

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