Inaccurate

Standard filter is first pic, Oversize filter is second pic.




It fits !!! For a long time, I had been wanting to try this larger filter and I finally did it.


The standard filter for the AEM CAI (for TL application) is -

AEM PN # 21-2110DK
3.25" Dryflow Air Filter Short Neck 5" Element


The oversize filter is -

AEM PN # 21-2109DK
3.25" Dryflow Air Filter Short Neck 9" Element


I estimate that the oversize filter has 80% more surface area than the standard size. Although, I doubt that there will be any power improvement. I used the oversize filter for two reasons -

1) [insert a "Tim Allen grunt" here] Anything worth doing is worth overdoing.

2) Improved airflow (maybe) compared to the standard size as the filter becomes clogged during the service cycle.


Just thought I would share incase anyone else was wondering if the bigger filter would fit.

By the way, I am using the Outlaw Engineering Thermoblock Spacer, which raises my plenum approx one quarter inch. The bottom of the oversize filter is lightly kissing the black plastic wheelwell liner. So for folks with the oem plenum height, you will maybe needed to trim the black wheelwell liner. A hump molded into the liner would needed to be trimmed, very doable.

Cheers

anx1300c

iTrader: (2)

I don't know if that's a wise move. Looks like it puts it a lot closer to large puddles, and you won't see any performance improvement anyway. These engines can only make use of so many cfm and any of the standard filters already have the ability to flow more than the engine needs. I do admire your innovation and "what if" line of thinking though.

Inaccurate

There should be no siphoning until the waterlevel was at the top of the filter. No suction can be created until the water level is at the filter top (as oppoesed to the filter bottom) because the upper sections of the filter would pass air, preventing a suction.

TL|GTX

Still dont have any vids of ur car?

JwongTLS

any different in sound?

greco9885

iTrader: (1)

more air the better...like when you dyno with a fan a few feet away, compared to a fan held up right to the filter, we showed a 9whp gain on a 500bhp car, so figure we will gain roughly 2whp

NAiL05

It takes quite a bit of velocity to suck up air through a 3in tube. The only time I have seen people hydrolock there motors is being a dumbass and flooring it through puddles WOT. That will cause rods to slant...Yes I have seen this happen tearing down blocks not pretty.

JsL138

Will this fit on a type s? It seems like the fog light will be in the way.

04accordcpe

iTrader: (3)

nice!

ive been running this size filter on my custom CAI for my SC going on 2 years now. theres a difference in sound and performance for sure.

ssmtl2nv

iTrader: (2)

where did you get it Sean???

blkaspec

do you often stand near puddles to see dumb asses floor it through them?

NAiL05

no because I end up having to tear there motors apart...When a motor gets hydrolocked its not hard to see what happens. I had to tear apart a GSR that hydrolocked his motor. Bent the rod.

blkaspec

i was just asking because i didnt see you standing near the puddle that killed my engine when i "floored" through it...

NAiL05

Good for you.

04accordcpe

iTrader: (3)

you can buy the filter at any local motorsport shop. ebay usually has them for about 55 shipped

heres a link to the one you need joe
http://cgi.ebay.com/AEM-DRYFLOW-DRY-...LTER-3-X-9-21-

its a different part # then inaccurate, cause he is using the 3.25 neck.

my custom CAI is 3 inch opening

NAiL05

You could also check out summitracing.com. They usually have most of the size dryflows you will need.

blkaspec

Thank you very much, but next time be there so you can warn me...

ussi

iTrader: (1)

I've been wanting to do this but I didn't think it would fit, I guess i'll give it a shot.

NedShneebly

I'm down. I've been meaning to order a spare filter for cleaning cycles, anyway.

Hi speed

iTrader: (3)

I think I lost air velocity and power when installing the larger air filter. It could have been just me. The one I used was 9-10 inches tall so that maybe larger than what you guys are running.

NedShneebly

Cheaper than eBay: advancespeedshop

Inaccurate

I am reluctant to share my thoughts because my impressions are not what I thought, or what you would believe/expect. But I will share because I see that some are truly wanting some feedback. Here are my first impressions thus far of the oversize filter.

My previous filter was 19 months old and had 21,000 miles on it. I do Not clean my AEM air filters. I treat them as disposables. So, that previous filter was never touched in those 19 months and 21k miles. My comments below are made in comparison to this previous filter.

Power - I did *not* buy the oversize filter expecting to have any power increase. The standard size is claimed to flow *much* more than our engines could ever demand. However, I DO perceive a very noticeable power increase at 1/4 to 1/2 throttle. At WOT, I have not perceived any noticeable power increase. On the other hand, I for sure did *not* loss any power at WOT. That is, if I had to quess one way or the other, I would say I gained a pony or two.

Sound - Before buying the oversize filter, I expected the oversize filter to produce a louder growl at WOT. My logic was that the larger surface area of the oversize filter would allow more sound to emit from the intake. Wrong. The oversize filter is quieter at WOT. WTF ??? Right, that is what I thought too. I must be mistaken. A few more WOT later, and it is confirmed. The oversize filter is quieter than the standard size filter. How ???

Here is my theory. Have you ever been in a room that had the drapes/curtains removed ? Had the carpet removed ? Had all cloth related items removed from the room ? If yes, then you know first-hand how important cloth is to sound-deadening. Rooms become extremely loud after cloth items are removed because there is nothing to absorb the sound.

The oversize filter is doing the same thing as cloth items in a room. The increased surface area of the oversize filter is exposing more cloth to absorb the sound. Just my theory to explain it to myself.

I do recommend the oversize filter if you don't mind having to mod the wheelwell liner (trim away a small part or push the molded hump down) .

NedShneebly

^good stuff. You're always reluctant to share your opinion, and I know it's because you like to keep a purely objective finding. But, there's a handful of people that most of us trust on this site, so I'm glad you shared.

You said those with spacer shouldn't have a clearance issue with the lower plastic, right?

stillhere153

iTrader: (1)

isn't the larger filter heavier... hhahaahah

Inaccurate

Noooo.... Just say "No" to heavier filters !!!!! (LoL)

But seriously, I did think about the weight. The oversize filter uses the same end caps. So, the only additional weight is that of the extra filter media.

And, after driving home today (just my second day with the new oversize filter), I can EASILY say that it is VERY MUCH WORTH it's weight. I may had been to conservative in saying that it didn't add anything to WOT. I did my usual WOT stunts along my daily commute, and I found the car's performance "too hot" (too quick/fast) for what I expected from the car's normal behavior.

stillhere153

iTrader: (1)

I was kidding about the weight forgot to put it in red

Inaccurate

Correct.

Those with the spacer under the plenum (Outlaw thermo spacer) should have no clearance problems. I have the Outlaw thermo spacer under my plenum, and the oversize filter just lightly touches the plastic wheelwell liner.

Please note that I am Not referring to the spacers that fit between the plenum and the throttle body.

I am just speculating (deduction) that the wheelwell liner would need to be trimmed if you had no spacer under the plenum. The liner is flexible enough to "give" around the oversize filter, but I would worry if the filter's media would eventually crush from the liner pushing against the filter. I would recommend trimming an open section, being careful to not leave any sharp edges in the opening (from cutting the opening) that would cut into the filter's media.

Inaccurate

No worry dude. I knew it was good natured ribbing. I enjoyed the humor.

o4Komodo

iTrader: (2)

I lol'd.

04accordcpe

iTrader: (3)

just like i said in my earlier post, better performance and makes the whine of my SC that much louder too im surprised you think its quieter, but it might just be since your NA.

NedShneebly

got the 9" filter in the mail. Damn, this thing is huge! Hope it helps a little. Like I said, I needed a second filter for cleanings anyway and why not.

greco9885

iTrader: (1)

i was going to do this but i couldnt find a 4" diameter filter. stupid aem v2.

NedShneebly

ahhh, I'm a V1 owner. Glad I have the P2R IM spacer, too. Didn't want to trim plastic.

Inaccurate

I am eager to hear feedback from others. For me, I very much underestimated my gains from the oversized filter. I had huge gains (especially at part throttle). Much more of a gain than the overall CAI itself. I would compare the gain to the gain I got from the UR Pulley.

Inaccurate

Will either of these work ? These have 4" inlets.

AEM PN# 21-2059DK
Flange Inside Diameter: 4 in (102 mm)
Height: 9.188 in (233 mm)


AEM PN# 21-3059DK
Flange Inside Diameter: 4 in (102 mm)
Height: 9.25 in (235 mm)


AEM Dryflow Universal Air Filters(click here)

NAiL05

http://summitracing.com/parts/AIS-21-2059DK/

NedShneebly

retarded big 9" filter installed. Just a quick test drive so no real results yet. It definitely didn't get any slower but, as far as gains go, with my ATLP Base growling in the cockpit it's hard to really feel the engine like I used to.

oh, I did notice that the 2K rpm whistle is still present and it the CAI shutdown belch sounds the same. I had to trim the hump away, even with the P2R spacer set.

Inaccurate

Ned,

Hopefully as you drive your car in the next few days, you will be like me and find that the gains are more than you first thought.

Thanks for the prompt feedback.

NedShneebly

no prob. when I say quick drive, I mean 2 blocks down the street to the store and back...never above 45. My low end is so spongy now that I hope to notice any pickup down there.

I was thinking, maybe it won't get clogged as quickly as the 5"? I don't know, was just looking at the added surface area and thought you might get cleaner air a bit longer than the standard filter, especially if it tries to collect down low on the media.

andyc123

I don't think that'll fit in a TL-S any better than the AEMv2 filter. What the AEMv2 really needs is a slight bend. I'm thinking of cutting 2 inches off the bottom of the pipe just so the filter doesn't touch the foglight bulb holder.

BTW, K&N will custom make filters, not sure what they'd do on price, but I can't imagine that we TL-S owners can't find SOMETHING that'll not touch the fog light bulb.