Your question is “which does a better job” and the answer is undeniably catch cans The aos is a closed loop system which sends the oil back to the crank case, so you install and essentially forget about it The oil crapped out by your pvc and your.
Does the Subaru WRX and STI Really Need a Catch Can?
Aos vs catch can explained—learn the key differences, pros, and cons to choose the right engine protection for your subaru and your driving style.
I understand that aos are easier to maintain but more expensive, and vice versa for the catch cans
While reading, some people have recommended running more. An oil catch can, also called an air oil separator or aos, intercepts that vapor before it reaches the intake This guide covers what to look for and which option is worth buying for your. They serve a good purpose
They help collect liquids like oil from the intake air charge This has a marginal increase of functional antiknock properties and some folks say cleaner emissions. The pcv system built into the wrx and sti can benefit greatly from using catch cans or an aos for any application from a street car to a race car. Aos vs catch can (s) can we have a little discussion on the two, go over the pros and cons
Who runs what and why
How necessary are they for a daily?. The one thing that you have to make sure of is that it won't. I've read the aos is better because it filters the oil and returns it and the catch can really just catches the oil Do a lot of people install them and is it a worthwhile install?
3 years, zero issues, and you do not need to change your oil any more ofter (than 3k) with an aos.|iag aos is the way to go, especially if. After aos install it is imperative to bleed the coolant system as you have introduced air bubbles which can cause overheating All aos’s suffer from “sludge” They attempt to prevent this by running.
/r/wrx is a place for subaru fanatics to show off their rides, discuss modifications, mechanical issues, industry news, and more
It is not a place to buy/sell/trade or spread negativity/hate Is an oil catch can worth spending money on Can it really help my engine live longer and run better Is it true you need two separate cans for the car's air system to work properly?
Iag is the aos to go with, for sure I ran a peterson catch can on my wrx for a few years. Find the right fit for. Either of the aos's are maintenance free though, so that was worth saving another week and getting one of those over a can i have to empty every so often.
I know this has been asked multiple times, but which is better
I understand that aos are easier to maintain but more expensive, and vice versa for the catch.
![Killer B [22-26 WRX] Performance Dual Catch Can AOS | 22WRAOS-D – JDMuscle](https://i2.wp.com/jdmuscleusa.com/cdn/shop/files/killer-b-motorsports-kil-22wraos-d-30214983909446.jpg?v=1692135898)
