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Topic Review (Newest First)
Today 09:30 AM
Elizabeth A sort of reverse of opening it all up. I am trading in my MK3 SE (for a ST) and put the stock air filter back on last week. Took off the ST velocity stack too. (but did not reinstall the giant OEM snorkle)
So with the stock air filter i again have some off idle stumbling. (Which I had ZERO of with the K&N air filter)
The other thing is my MPG went up 2 from 32mpg to 34mpg.
Otherwise the car is OK.
I am looking forward to having a bit more 'oomph' when I get the ST.
Yesterday 11:56 PM
danbfree Nice, thanks for the update. Makes me feel vindicated in choosing the AEM dryflow for only $39 and confirming what I had heard about the open end filter. Glad to help out! :-)
Yesterday 11:44 PM
Old Goat Ninja Ok. So today I drove to work with open end filter. I like the sound. Gets weird in certain situations, but as a whole, I like it. On way home, I installed cap. Almost as quiet as stock now. Bummer. Anyways, it does feel better with cap on. Acceleration seemed crisper and more instant.

My commute is roughly 20 miles one way, no freeway, lots of stop lights, and a few stretches where traffic hits 75mph (middle of no where near an airport, lots of lanes). No corners, at all. Literally a straight line to work. Anyways, other than lack of any corners what so ever, my commute has a lot of variety in driving. So far, I prefer driving it with cap on. Sounds way better off though.
Yesterday 05:27 PM
suss6052
Quote:
Originally Posted by red-i View Post
i have the green open ended filter. any way for me to buy some generic type of cap that would fit on?

i'd maybe throw it on in the summer (like people said) or hwen i want it quieter.

i find it alot louder under accel, especially at certain rpms it seems to resonate quite a bit. it was enough for my wife to roll her eyes ;) for the most part i enjoy the loudness though. i find i'm sticking to sport mode and thumbing through the gears alot more.


https://www.greenfilterusa.com/store/18095

Green filter makes a plug for their filters.
Yesterday 02:44 PM
red-i i have the green open ended filter. any way for me to buy some generic type of cap that would fit on?

i'd maybe throw it on in the summer (like people said) or hwen i want it quieter.

i find it alot louder under accel, especially at certain rpms it seems to resonate quite a bit. it was enough for my wife to roll her eyes ;) for the most part i enjoy the loudness though. i find i'm sticking to sport mode and thumbing through the gears alot more.
Yesterday 01:49 PM
danbfree
Quote:
Originally Posted by bama_focus View Post
I prefer the sound of the open ended filter without the cap, regardless of if it hurts when its hot out I don't really care if it hurts me a little I'm not racing light to light I just like the noise
Totally nothing wrong with that, I was just mentioning how doing all this snorkel/shroud delete/intake taping doesn't make much difference when you do run open end, pulling from under the hood probably doesn't hurt much at all... For me, removing the snorkel added some intake "growl" and the AEM(K&N) Dry Flow is in the mail... it's closed end but for $39 and no oiling, I figured I couldn't go wrong... BUT I wouldn't mind trying an open end either, just to see the difference.
Yesterday 01:33 PM
bama_focus I prefer the sound of the open ended filter without the cap, regardless of if it hurts when its hot out I don't really care if it hurts me a little I'm not racing light to light I just like the noise
10-28-2014 10:09 PM
danbfree
Quote:
Originally Posted by Old Goat Ninja View Post
Well crap haha. Oh well, I can always add the cap that came with it. I didn't know that little tid bit.
Ya, try adding the cap, especially in the summer or when you know you'll be doing almost all city driving, then pop it off for road trips or when it's mainly cold out.
10-28-2014 09:21 PM
Old Goat Ninja
Quote:
Originally Posted by danbfree View Post
When you go open ended you pretty much defeat the purpose of the whole snorkel delete/anything to do with air intake... Air will come from the path of least resistance and that would mainly be the open end of your air filter, sucking in air from the engine compartment. Come summer time you may have heat soak after sitting at a light for awhile and then trying to take off quickly.
Well crap haha. Oh well, I can always add the cap that came with it. I didn't know that little tid bit.
10-28-2014 09:11 PM
danbfree
Quote:
Originally Posted by Old Goat Ninja View Post
Just did mine, open ended filter, snorkel removal, and cut the shroud on Drivers side. Haven't really driven it yet. I like the look of open ended filter though, glad I went that route. I didn't understand why people were telling me to get open ended until I installed it. I had no idea filter cap was end cap on box haha. I've heard people say they like the closed because open was too loud. I dunno, doesn't seem that loud at all. Louder yes, but not by much, and only while on the gas. Anyways, took some measurements while it was all apart. I'll probably fab up a CAI at some point and install that. It'll be a couple weeks though, I've got SEMA next week. I'll post pix when/if I do.
When you go open ended you pretty much defeat the purpose of the whole snorkel delete/anything to do with air intake... Air will come from the path of least resistance and that would mainly be the open end of your air filter, sucking in air from the engine compartment. Come summer time you may have heat soak after sitting at a light for awhile and then trying to take off quickly.
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