fits model: Wrx, Sti, Evo. make: Subaru.

( Brand: Perrin Performance ), ( Manufacturer Part Number: ASM-ENG-605RD ), ( Part Type: Oil )
The ASM-ENG-605RD Perrin AOS Air Oil Separator Ports Evo for Subaru WRX STI is an essential upgrade for performance-oriented Subaru owners. This high-quality air oil separator (AOS) port kit is designed to enhance the functionality of your vehicle's AOS, ensuring optimal engine performance and longevity.
The ASM-ENG-605RD kit includes two 605RD ports, which replace the original OEM ports on your Subaru's AOS. These new ports are engineered to increase the flow of crankcase vapors and moisture, reducing the risk of oil buildup in your engine's intake system. This improved flow can lead to better engine performance, increased horsepower, and improved fuel efficiency.
The Perrin AOS ports are made from high-quality billet aluminum, ensuring durability and reliability. They are CNC-machined with precise tolerances, ensuring a perfect fit with your Subaru's AOS. The ports also feature a smooth, polished finish, which not only looks great but also helps to reduce turbulence and improve air flow.
The ASM-ENG-605RD kit also includes new gaskets and hardware, making installation easy and straightforward. The kit comes with detailed installation instructions, so you can complete the installation yourself, or take it to a professional mechanic if you prefer.
In summary, the ASM-ENG-605RD Perrin AOS Air Oil Separator Ports Evo for Subaru WRX STI is an excellent upgrade for performance-minded Subaru owners. It increases the flow of crankcase vapors and moisture, reducing the risk of oil buildup and improving engine performance. Made from high-quality billet aluminum, the ports are durable and easy to install, with detailed instructions included. Upgrade your Subaru's AOS today with the ASM-ENG-605RD Perrin AOS Ports Evo.
Pros of ASM-ENG-605RD Perrin AOS Air Oil Separator for Subaru WRX STI Performance:1. Reduces crankcase pressure: The AOS helps to separate oil vapor from the air intake, reducing crankcase pressure and improving engine performance.
2. Improves engine longevity: By reducing oil contamination in the intake, the AOS can help to extend the life of the engine.
3. Better throttle response: With less oil vapor in the intake, the engine can breathe more easily, resulting in improved throttle response and acceleration.
4. Easy installation: The ASM-ENG-605RD Perrin AOS is designed to be a straightforward installation, requiring no modification to the engine bay.
Cons of ASM-ENG-605RD Perrin AOS Air Oil Separator for Subaru WRX STI Performance:1. Higher cost: Compared to the stock AOS, the Perrin AOS is more expensive.
2. Potential for oil leak: Since the Perrin AOS is an aftermarket part, there is a risk of oil leaks if not installed correctly.
3. Increased maintenance: The Perrin AOS may require more frequent maintenance than the stock AOS due to its higher flow rate.
Conclusion:The ASM-ENG-605RD Perrin AOS Air Oil Separator is a great upgrade for Subaru WRX STI performance enthusiasts looking to improve engine performance, reduce crankcase pressure, and extend engine life. However, it is important to note that this upgrade may come with higher costs and potential for oil leaks. If you are comfortable with the additional maintenance and cost, the Perrin AOS can be a worthwhile investment for improved performance.
Recommendation:If you are looking to upgrade your Subaru WRX STI engine performance and are willing to invest in a higher quality AOS, the ASM-ENG-605RD Perrin AOS is a great option. Make sure to have it installed by a professional to minimize the risk of oil leaks. Additionally, be prepared for more frequent maintenance to keep it running optimally.
This is not a catch can the Perrin air oil separator. Anytime there is a significant amount of engine blow-by oil being put back into your engine, it reduces fuels octane level leading to detonation or knock, which will cause loss power and failure. Reduce carbon buildup build up in the combustion chamber, intake valves, and your tract.
Easy disassembly for cleaning over the years, a slight buildup may occur inside your aos.
As blow-by oil builds up inside your inter cooler, the less efficient it becomes due to heat being transferred away from engine.
Catch cans capture water and oil vapor filling with a Sticky mess requiring it to be emptied.
Reduce detonation the octane level of oil is very low. Swirl pot technology featuring type and multi-layer baffles, the Perrin Performance air oil separator forces incoming to circulate across separating from engine blowy.
Crank case blow-by is recirculated back to the intake be ingested by engine, but in doing so, gets stuck tract, valves, and inter cooler. Please see the for information regarding shipping costs and available methods.
This means little maintenance or upkeep. The Perrin aos separates engine oil from water vapor and allows it to drain back into. The multiple baffle walls in our compact design simulate surface area of an aos that is 13.
This small feature is one of the many things that makes Perrin aos stand out from rest. 25 sq in of surface area.
Purchase from map to receive aggressive pricing and retain your manufacturers warranty. This leads to power loss and detonation, which can be damaging your engine. Search by make model year or part number Perrin premium red universal aos air oil seperator w 7 ports Evo Subaru Wrx Sti increase inter cooler efficiency the increases reducing amount of deposited into your and intake system.
This builds up over time which causes a loss in power and extra wear tear on your valves. As oil accumulates on all the walls, gravity pulls it to bottom of can where drains back engine block while water vapor and air merge with intake are re-burned in. This can be quickly taken care of by removing one bolt to access the inside for cleaning.