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Old 03-27-2003, 03:26 PM   #1
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CAI Cone Filter

I am buying the civic CAI for my Grand Am. Could I use the cone that is on it or should I throw a K&N on it? If K&N is reccommended, what size cone?
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Old 03-27-2003, 04:05 PM   #2
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i would not recommend putting in that intimidator apc crap that they give u. after about a month, mine was rusted and horrible looking. now i have the KnN and its awesome. i would recommend a 5 inch or a 7 inch filter. both fit, but i dont know if a bigger one is better or what not.
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Old 03-27-2003, 04:31 PM   #3
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The more surface area you can get, the better.
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Old 03-27-2003, 04:49 PM   #4
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Quote:
Originally posted by Greed4Speed
The more surface area you can get, the better.
So the 7" would be best? Is that the biggest that will fit?
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Old 03-27-2003, 06:16 PM   #5
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Quote:
Originally posted by Greed4Speed
The more surface area you can get, the better.
I disagree with that statement completely, our Engines require nothing more than a 5" cone. Our engines don't take in enough air to warrant it...the bigger of a cone you go, the more low end you loose (resulting in a mushy feeling to the pedal). If you stick with a 5" you will notice it, but it's not super bad. However if you get a 3" cone, you will not notice the loss... I believe when using K&N's calc. for filter size, our cars only need something like 3.2" filter (which doesn't exist)...

So unless you are going to do some major mods...I wouldn't go over 5". Even with the 5" I lost some good low end power to the car, however upon installing the GMS MAF, I've gained it all back (while keeping and slightly increasing the mid/upper).

I personally wouldn't put a 7" cone on our cars, but it's whatever you want to do!
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Old 03-27-2003, 07:05 PM   #6
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Interesting. I've never heard that before. It seems that the air intake/ TB diameter would be a limiting factor, and the engine would only take in as much as needed or the intake tract would allow.

I wonder if it created a lean condition.

I'm not doubting you, but has anyone else experienced this?

We must have more info!
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Old 03-27-2003, 10:18 PM   #7
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What is a GMS MAf, b/c if it added low end I need some of mine back b/c I got 2.5'' piping from the cat back and lost quiet a bit down low, but gained alot up top.
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Old 03-28-2003, 04:17 AM   #8
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a gms maf is a Granatelli mass airflow sensor. I have one installed, and it is great. you can find it at www.gaupgrades.net I highly recommend this mod.
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Old 03-28-2003, 04:49 AM   #9
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does that replace the factory mass air flow sensor? and what does it do?
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Old 03-28-2003, 07:01 AM   #10
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Yes, it definitely replaces the factory mass air flow sensor. It improves power rather nicely. I noticed a nice difference. It's a little tricky on the install though. if you go to www.gaupgrades.net and click on it, i have a review that was posted there. I hope that helps.
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Old 03-28-2003, 12:24 PM   #11
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If you have the APoC CAI, it's a very easy install...just have to stretch the couplers over the bigger MAF. That and you have to cut the wire loom and stretch the MAF's wires out to reach it since installing it close to the TB is a PITA.

Here's a picture of it...
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Old 03-28-2003, 12:25 PM   #12
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Here's another picture, you can see how the couplings are stretch out to fit over the MAF.

*Note you will also need bigger clamps, the ones from APoC aren't big enough.
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Old 03-28-2003, 02:38 PM   #13
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I just got off the pfone with the K&N company. I gave them my info and he did his calculating and come up with a cone with the 5" base. Providing the CAI tube is 3". Was I correct on the tube sixe for the CAI?
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Old 03-28-2003, 02:49 PM   #14
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Quote:
Originally posted by silverbullet00
I just got off the pfone with the K&N company. I gave them my info and he did his calculating and come up with a cone with the 5" base. Providing the CAI tube is 3". Was I correct on the tube sixe for the CAI?
Not surprising. I'm sure the calculations will "magically" come up with a cone size that they carry.
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Old 03-28-2003, 03:31 PM   #15
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I was getting the K&N anyways. The only info I needed was the size to get for maximum performace out of it.
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Old 03-28-2003, 09:49 PM   #16
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Which GMS MAF is it? Like they only have ones for F body's and 65 mm? Help!!
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Old 03-29-2003, 01:33 AM   #17
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It is a specially calibrated one for our cars. Go to www.gaupgrades.net. There is one on there, click the link and contact muscle motors. They'll help ya from there. Good luck.
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Old 03-30-2003, 02:26 PM   #18
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If the larger MAF or TB makes a difference, then why would it matter if you went to a larger filter as discussed above. This is proof that less restrictive airflow is better!
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Old 03-05-2004, 08:37 AM   #19
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so if you got the MAF would it be better to have a 3 inch or 5 inch cone? or wouldnt i t matter?
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Old 03-05-2004, 11:09 AM   #20
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Quote:
Originally posted by StarFire
I disagree with that statement completely, our Engines require nothing more than a 5" cone. Our engines don't take in enough air to warrant it...the bigger of a cone you go, the more low end you loose (resulting in a mushy feeling to the pedal). If you stick with a 5" you will notice it, but it's not super bad. However if you get a 3" cone, you will not notice the loss... I believe when using K&N's calc. for filter size, our cars only need something like 3.2" filter (which doesn't exist)...

So unless you are going to do some major mods...I wouldn't go over 5". Even with the 5" I lost some good low end power to the car, however upon installing the GMS MAF, I've gained it all back (while keeping and slightly increasing the mid/upper).

I personally wouldn't put a 7" cone on our cars, but it's whatever you want to do!
couldnt have been stated better....i have a 5....it is better than the 7!! trust me.... sounds better too....the larger the quieter! air is not compacted when it goes into the engine ...that split second you hit the gas....thats how i would describe the 7.
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