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MODIFIED-AFE Intake bomb for 3rd Gens....

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Noting the smaller size of the 3rd Gen Intake cone filter and our insatiable appetite for more boost and larger turbos.

I thought I could stick a 2nd gen AFE magnum cone filter in place of the smaller 3rd gen cone filter. The space provided with the AFE intake on 3rd gen trucks is much smaller than the 2nd gens thus the smaller filter and an even smaller intake area on 04. 5 and 05 models.



So I took my intake apart and discovered the diameter of the 3rd gen AFE filter is 4" vs. the 4. 5" of the 2nd gen counterpart. 1st challenge install an insert into the filter so it could mount up and seal with no further modifications to the already cramped mounting surface and area.



I went out to the local Rural King and purchased some rubber type hose joints used in plumbing in 4" diameter thinking they would provide me with the sleeve I was looking for. Well that didnt work the hose couplings were too large and did not work.

I did rememeber I had a 90* 4" rubber elbow that I had left over from a attempted and botched homemade torque tube project.

Voila... . It fit perfectly inside the larger AFE 2nd gen filter. I cut 1" off of the straight part of the elbow to match up to the mounting surface on the filter (where the clamp goes). I also used a little adhesive to secure the newly created seal into position for mounting.



Next up installation.

First off I knew that I was not going to be able to get the filter into the proper position for mounting (due to its larger size) with the actual filter pipe in its mounted position.

I removed the 3 screws that secure the intake pipe to the intake housing.

This enabled me to back the pipe out of intake housing and contort the filter into its proper position for mounting.

I choked the filter up on the pipe a little more than the 3rd gen cone was used to.

I also lubricated the homemade sleeve (rubber boot) a little bit so I could orientate it to my liking and install the larger cone without issue.



I used the larger hose clamp that was provided with the 2nd gen cone filter.

Everything tightened up after ward and took it for a ride to Taco Bell... .



Right off the bat, I noticed more turbo noise, sounded like the turbo was spooling up quicker and the truck seemed to be less "surgy" when I used the go pedal, almost like there was now a more proper amount of air to supply the B1 charger.



Anyhow, I like this BOMB and thought I would let you guys know.

I'll try and post some pictures later.

I'll also post a PN for the 2nd gen filter if anyone is interested, the rubber boot I mentioned in the ad was purchased from www.airflowonline.com for about 15 bucks.
 
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Looks good, like it was made for it. I had bought an AirAid filter before I heard of AFE. One thing I do like about it is it uses the stock air box with a modified "lid" to hold the filter. Instead of a cone it is a large oval that hangs down almost to the bottom of the air box. All in all it seems to be the biggest filter I have seen fit into that space so I stick with it. I do have the AFE TT using two 3" boots intead of the 3" and 2" since it worked better with my mods.
 
Update:



I have found the proper part for this conversion. It is available here:



http://intakehoses.com/Merchant2/me...e_Code=I&Product_Code=45R40&Category_Code=RIS



I have ordered and received the part and it fits very well into the larger AFE filter. Almost like it was made for it.

Fitting to the AFE intake pipe flange will probably be tight and require some lubrication and convincing. But the measurments are correct and the insert will not deform or try to be "sucked in" by the intake since it has the rubber guard lip.



Another note:



If you are running an AFE Stage 1, K&N FIPK etc then you are probably not providing enough air for a PS64 or SPS62 or larger turbo and you could definitely benefit from this upgrade.

Not only will you gain power and spool-up time but you will also be increasing the lifespan of your modified performance turbo.



Here is the part # for the upgrade filter:



http://www.piersdiesel.com/DodgeUSPrice.htm



AFE24-90010 Replacement Filter for Mega Cannon 54-10071



The larger filter is 9" tall (filter area), 8. 5" wide at base and 6. 75" diameter at top.
 
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Thanks for the great idea.



Can you tell me the difference between the mega cannon filter vs. the mega cannon stage 2 filter?



and the difference between those and the proguard and proguard stage 2 filters?



I think I just found a way to get more airflow without spending bucks for the entire system. Thanks again... :)
 
The Stage 1 AFE for the 03-06 trucks has a 4" inlet and the filter is about 8" long.



The Stage 2 AFE for 03-06 has a 9" long filter with a 6" inlet.



The Proguard 7 filter for any truck just means that it has the 7 layer filtration media that filters at OEM filter levels.

Also the Proguard 7's do have the inverted cone at the top of the element to increase air flow. They are just capped at the end like a normal coned unit IE KN.
 
I love this idea! I am not smart enough to figure out if a larger filter still choked down to a 4 inch diameter hole still results in a greater volume of air flow.



I do not mean this to challenge the idea at all as I would like to try this, but just want to ask the question before I buy a new filter.



Again, my hat is off to Mr. Williams and I thank him for his time!



Cheers, Bill
 
Jwilliams, thanks again...



But now I'm kinda confused. You are now using a second gen AFE because it's larger than the third gen..... correct?

And you're obviously saying it should flow more?

Don't mean to sound stupid, just want to make sure I order the correct filter.
 
I'm thinking about using AFE72-90010 which I believe is the racing version of a second gen filter with a 6" inlet. I have a mostly stock intake now with exception of a 5. 5" alum tube inline between the filter and turbo. I think I can get a rubber fitting from intakehoses.com to mate the 6" to the 5. 5" using a 45degree hose/reducer. Then I'll fab up some type of heat shield and I'll have my own AFE custom intake.

Any opinions on how this would flow/sound/work in general???
 
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