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GrimmSpeed Air/Oil Separator (Various Colors)
Most COMPLETE and COMPACT Air/Oil Separator on the market!
An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system.
The GrimmSpeed™ Air/Oil Separator for Subaru vehicles has a unique patent pending design that allows you to maintain your PCV Valve while separating the oil out of the crankcase and head ventilation air! GrimmSpeed's AOS will allow your engine to run more efficiently due to the
separation of oil from the intake system. When there is oil in your system, the result is 1) reduced fuel octane 2) higher chance of engine
knock(detonation) 3) worse emissions 4) higher oil consumption. GrimmSpeed's Air/Oil Separator will help all of these problems.
In typical GrimmSpeed™ fashion, they have made a very compact unit that packs a powerful punch(and looks good while doing it)!
No more having to check/empty your catch can and refilling your oil. The GrimmSpeed™ AOS coalesces oil without using a mesh media. Mesh medias can cause contaminants to collect and build up resulting in possible sludge. GrimmSpeed's AOS is self-maintained so you can just sit back, stop worrying, and enjoy driving your car!
Please note this product is designed to combat factory amounts of blow by. If you have a built motor or are experiencing abnormal amounts of oil consumption, this product may not work for you.
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GrimmSpeed Air/Oil Separator (Various Colors) / 006X-PARENT Fits
2 customer reviews
Red is the way to go!
I have a 2019 STI and couldn’t for the life of me find a YouTube video for the installation on a 2019. The 2019 is a bit different than previous years as there are more hoses and electronics in the way. So this was a bit difficult to install. I went with grimmspeed because they have excellent quality products and I have never been steered wrong by them in the past. Installation took about an hour once I figured everything out, and they give you much more hose than you would ever need to get this done right. The supplied zip ties are kinda crappy, but I had some high temp zip ties in my garage, which would benefit anyone to go get some for something like this. Overall, it does it’s job and I’m glad I got it early on, considering the oil issues I have read about from the intercooler to the intake tract. Don’t hesitate to get one of these.
a most have
Pretty straightforward installation. Nice looking products under the hood. And gets the job done.