How An Air Oil Separator Works | 2020 Subaru STI IAG AOS |
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- Опубликовано: 5 июл 2024
- Learn what an air oil separator is as I unbox this IAG Street Series Air Oil Separator in preparation for my installation in my 2020 STI. I go over the theory of how it works, what all the hoses do, how it compares to a catch can, and why it might be necessary in your car.
For a COMPLETE step-by-step installation of this AOS check out my tutorial here: • How to install an Air ...
This is the IAG AOS you see me unboxing:
For the STI →→ amzn.to/2T3qZwZ
For the WRX →→ amzn.to/2Wtc9lJ
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Thanks for Watching!
#STI #AOS #WRX 
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Great explanation. These are the videos I'm after. Keep it up!
Oh man... The AOS install seemed daunting to me until I saw this video. Great work!
For all those asking, I can confirm the IAG AOS Street did not void my warranty. The dealership listed my car as completely stock after inspection and performed warranty work for free. I have the AOS, Cobb sf, catback, and AP.
I work for a dealership. They don’t care what you do to your car. As long as it’s not the reason why your car is having problem, they should still perform service, if not then don’t go to that dealer
@@Nakaamaa Wow! Thanks for letting us know! I was just wondering about this also.
Dude great job on this vid! These are the priceless vids on RUclips that will help so many people out, thanks for sharing your knowledge!
Amazing work sir! high-quality content and editing!
Great detailed explanation!
My last car that needed a blowby solution was my SRT4. That was a si ple in mine OCC. 2 lines. When first looking at this AOS, so many lines! Now I understand what they are all for and feel better about an install.
Incredibly informative and very well explained. Thank you for this, liked and subscribed!
you absolutely killed this explanation. thank you!
Thank you so much! I’m so glad i found your channel!! I will be watching and re-watching this and the install video to prepare for my own IAG AOS installation!
Welcome!
Great video and explanation! Just subscribed, can't wait to see your other content.
Just snagged one of these. Beautiful product, and I'm excited to get it installed.
Perfectly clear explanation. Thanks for the video
Very thorough and professional video. We'll done sir.
Excellent informative video. Thanks!
Thanks for this, I am going to give it a shot. great how to video.
Great 👍 video. Very detailed and knowledgeable!!
Thank you for the informative video! I am thinking of getting one for my 2018 wrx
@@akqjtn is there any maintance for the aos? Ie removing the bottom once and a while? I was looking at a Perrin one and they recommend to clean the foam pad once and a while
Great high-effort video
Best explanation ever
Great frkn video Im definitely subscribing
well done! nice and informative.
I’m waiting for your egr and tgv delete video... I like you because very informative and lots of explanations.
A good video. Stay safe Sir.
Bro very professional. Hey Do I need to add little bit of oil and coolant? Looks like it is circulating longer hose than stock.
Solid video.
I have the V3 and they’re still using the plastic fitting. Just ordered a brass one and tape. Thanks for the video!
What fitting are you talking about?
Wow dude thanx... I am glad for the video it helps... but I am having a slightly difficult time completely relating this to my AOS on My Porsche. I have a 2006 Porsche 997 and currently working on changing mine... I have oil in a couple of my hoses... can you explain the tubes workings on mine please. I am unsure if oil should have been in them in the first place. Help needed if u can thanks.
Hey Boost & Shutter - could you updated the amazon link for an IAG AOS for the 2020 STI? When looking at the product on IAGs website, it doesn't explicitly state the 2020 STI is supported. Just want to make sure to get the correct one. Thanks!
Stock SH forester XT , used for off roading. Should I get one of these?
I just finished my audio gear, so this is my next step. do you have any idea of what I should do? my leg is weaker and I find the 2020 wrx clutch spring pressure and abrupt catching point a problem, I have a 2019 impreza 5 speed that I now prefer driving because of the wrx clutch ,and I've had manual transmissions in the past , but I don't care for this clutch.
I had the comp version but converted to the street since I run e50 minimum...Now I'm wondering if the street version is actually doing anything since those gases are still in my engine..I've heard of a few people running 23+psi having the street AOS clog up their EBCS lines...I insulated the return hose with foil tape and insulated mesh wrap because I've heard horror stories about condensation freezing inside the hose causing BOOM
Would you recommend one of these for a 2018 wrx cvt sport-tech?
I don't have a Subby. I'm going to use one on my Mazdaspeed. Just curious, the port that you are using for the oil dump out of the AOS, what is it normally for as you don't normally have an AOS.
Do you have to drain them? Every oil change street or comp,?
Nobody can explain to me why, the top throttle body line has a one way valve in it. If we are deleting the PCV system. Why have another PCV?
Is it because of running boost to maintain internal AOS pressures?
Also how does the block breather not vent into the drain side of the Y splitter? I assume it's because of vacuum effect at the AOS inputs being close to one another and it pulls ventilation gases to the path of least resistance? And the drain should have pressure pushing out?
My intake is nicely lubed up with oil. My valves are BLACK, and the VW shops locally don't recommend catch cans... I guess they support planned obsolescence, DIY or DIE. I'm trying to adapt this product into my VW.
What if I use both AOS & Catch Can ? Does it make a difference ?
I don't want it to void my warranty, but what can go wrong after adding this AOS?
Did you have to remove the factory pcv valve?
I have a question. Do I have to get an new oil separator once the block blows up?
Does anyone know if this can fit a Jeep GC WK2? I think I only need two lines instead of three, bur I could be wrong...
Would the installation be the same for a 2014 sti ?
My car doesn’t have the sensors or the pcv line which aos/catch can would you recommend. I got plenty of questions if you got time.
The link for the sti IAG AOS doesn’t work anymore :/ do you have another link for the aos you’re using for your 2020 sti?
Would this in theory work on non subaru vehicles?
I'm from the UK. My 2017 STI is RIGHT HAND DRIVE. The brake reservoir and wiring harness are reversed... is this IAG AOS going to fit right hand drive STIs? If I can mirror your install I'm unsure if the hoses are going to be long enough 🥺
I need this on my 2012 legacy gt wagon... uses a lot of oil lately..
That pcv hose port clamps on the block is always a b!tch to work on...
Are you able to put a strut tower bar, especially the AEM one after installing this IAG AOS? Thx.
I seriously doubt it will fit unfortunately
will it void my warranty if i install AOS??
So the port in the middle of the block is to feed gasses into the canister and at the same time (with the Y fitting) dump it into that same port?
Why?!
Why isn't this a factory install? I heard you can use these for other brand vehicles also. Therefore should theses be universal for the Subaru engines?
Holy crap. A lot to take in.
Would you say this mod is damn-near a must for almost any Subaru? Or more for those who have high horsepower engines, like heavily modified engines or Imprezas and STI’s?
I have a 2017 Forester w/ the 2.5 L engine and “premium” trim.
I’d say more EJ engines as he said
Does the Oil Air Separator void your warranty?
Is it too late to install @ 51k miles??- 2016 Subaru Wrx
Would you recommend this catch can for a 15 impreza cvt?
If you don’t have a turbo or any real horsepower it’s just a waste of money
I have the IAG AOS and was curious. Is there any maintenance it requires/cleaning? My research I have learned it basically “cleans itself” unlike a catch can. Please correct me if I am mistaken and thank you!
hey man i have the same question. did you find the answer to it? i have the iag aos competition one.
@@nickp3004 hey I don’t think you need any type of maintenance for them from what I’ve picked up. It kind of cleans itself hence the dump tube.
@@nickp3004 I have the same one btw
Thank you for the differentiation between the catch can and AOS at the end. I was sitting here wondering how the fuck I was supposed to drain my AOS
You recommend to this after first oil changed? Or wait about 5kmiles
@@akqjtn how about the cylinder cooler?
iag v2 aos vs. cobb aos, what should i get?
IAG Street AOS. It’s been a dream for oil retention on my 18 sti.
thinking about a STI. is this AOS necessary ?
Yes!
Hey bro I have a 2020 sti will I loose my warranty if I install this AOS?
I'm thinking the same
yes but if you're stock power you probably also dont need an AOS even though it would still be good for the motor. its a more important reliability mod for those breaking warranty and sending it.
Do you need to tune the car after this installation?
No you do not. Hope I could help. Great product this is.
Only if you get the competition series, he’s got the street series here
Doing this mod effect emissions ?
Of course not
Is a tune needed for this at all?
No
Not with the street series but yes with the competition series
Answer me this does the IAG aos need a tune after it’s installed or no it’s fine running like that people say different things
Is your STI stock?
I want to get one for my 19 sti, but idk if it will void warranty LoL
@@anthonyclara4183 Im in the same boat, but plan on talking to the dealership service department to see what they think. It always varies at different places.
Anthony Clara pretty sure it would void warranty sadly but if you look to mod at all I highly recommend this AOS
Would you take a phone call man I need help by any chance at all
PCV valve... Lol yeah right, nice one.
my comment wasn't posted
A catch can is an aos.
Wow dude thanx... I am glad for the video it helps... but I am having a slightly difficult time completely relating this to my AOS on My Porsche. I have a 2006 Porsche 997 and currently working on changing mine... I have oil in a couple of my hoses... can you explain the tubes workings on mine please. I am unsure if oil should have been in them in the first place. Help needed if u can thanks.