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Build Your own FWI CAI Thread...

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Old 07-23-2010, 06:14 AM
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Am I the only one that noticed???? Hawkins04's MAF is installed backwards!!! The arrow on the side of the MAF indicates which way airflow is supposed to go. The flanged end of the MAF orginally attached to stock airbox and should face forward (or face the fender now). Is putting it on backward supposed to be some performance inhancement technique? I don't think so!
Old 07-23-2010, 10:04 AM
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i did not notice the arrow but i put it together how it was on the stock air box thanks for pointing it out ill go fix it now
Old 07-23-2010, 11:53 AM
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im pretty sure a 7'' will work but not sure if the 9'' will work or not
Old 07-23-2010, 05:41 PM
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Ok so I started putting my CAI together today. Total cost about $160. Could be done cheaper like Hawkins, but I wanted to use metal piping. So heres a list with part numbers and prices.


Item QTY. Part# Cost

6” straight tube 4” 1 9719 $21.99
45 degree tube 4” 1 9749 $21.99
60 degree tube welded 4” 1 9768 $24.99
4” to 3 ½” reducer 3 9741 $15.99
4” coupler 1 9771 $9.99
Air Filter 1 ? $24.99

I ended out running all over town getting all this **** because no one had all of it. Some of it came from Jegs and Pepboys. Autozone also carries it but they have to order it in.I also painted the tubing to match my valve covers and coils. Here are some pictures.

45 degree

Stright

Welded 60 degree

All Three

As soon as I get the last reducer tomorrow I'll do the install and take some pictures and post them.
Old 07-23-2010, 06:29 PM
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thats looks great i cant wait to see the pictures after the install. i just wanted something cheap to try it out before i actually spend the money on stainless steel that i could weld up for one. i went cheap to get the bends and things
Old 07-23-2010, 06:53 PM
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I just got done making the plate to go over the opening in the fender. I think i'm going to weld a straight through it and use a silicone 90 on the inside of the fender for the filter.
I'm still not completely sure on the diameter i'm going to use yet, 3.5 or 4 inch, the filter will be down in the fender.
Old 07-23-2010, 06:55 PM
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before you weld anything up test fit everything first then weld and to judge what you want to use i used 3 inch
Old 07-23-2010, 06:57 PM
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Haulin, that's VERY similar to what I'm doing. I'm glad you're a few steps ahead of me so I don't have to experiment with angles.

Please be sure to post pics when you're done with it. It looks great so far!
Old 07-23-2010, 08:35 PM
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Originally Posted by indynotch50
Haulin, that's VERY similar to what I'm doing. I'm glad you're a few steps ahead of me so I don't have to experiment with angles.

Please be sure to post pics when you're done with it. It looks great so far!
Hey thanks . I'll be sure to post some pictures as soon as its done

Originally Posted by Hawkins04
thats looks great i cant wait to see the pictures after the install. i just wanted something cheap to try it out before i actually spend the money on stainless steel that i could weld up for one. i went cheap to get the bends and things
Yep I understand the cheep part I spent more then I wanted. I just didn't want to use the plastic being so close to the header crossover.
Old 07-23-2010, 10:18 PM
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ya the plastic is just for a little bit and please post pics when your done i would love to see everything painted
Old 07-24-2010, 04:20 PM
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Here is mine I made it with parts from Siliconeintakes.com,


Old 07-24-2010, 04:59 PM
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i wish we could do this with the monte. theres no room tho from what i here. my intake temps always shows about 150 degrees when the car has been running for a little while and i have K&N which is right under the hood . But it has been really hot lately.

Last edited by monte_with_a_LS4; 07-24-2010 at 05:25 PM.
Old 07-24-2010, 06:42 PM
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even with a little smaller filter you cant fit them in?
Old 07-24-2010, 06:59 PM
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Originally Posted by Hawkins04
even with a little smaller filter you cant fit them in?
i know travis has tried and he said the filter wouldnt fit in all the way. maybe he will chime in
Old 07-24-2010, 07:53 PM
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Ok so my plan was an EPIC FAIL.But I did get the intake in just not in the fender well.I ended up only using the 45 degree pipe and the 60 degree pipe.Here are some pics




Off topic but I also got my new hid ballast in. Right now I have hid's in the low and high beams. So I hooked them up and de-badged the car also


Old 07-24-2010, 08:20 PM
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what was the problem getting it in the fender well? and it looks good painted
Old 07-24-2010, 09:42 PM
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The 4" tubing wouldn't fit so at some point I'm gonna use this after the MAF and the run the flexible ducting down into the bumper and then connect that to a 6.5" X 4" box just under the turn signal lamp so I'll have ram air.
Old 07-24-2010, 10:36 PM
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thats right you used 4'' yea i should of known to tell you that the hole going into the wheel well was not big enough for 4'' im sorry i didnt even realize it till now
Old 07-25-2010, 06:40 AM
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Just in case I am not the only one that didn't think about it...get a water cover for your filter....I was driving through some heavy rain and with the hole in the bumber at the bottom of my GXP...I sucked in some water....just enough to make it sputter at full throttle but water+engine=bad times....
Old 07-25-2010, 07:03 AM
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We Monte owners just don't have the fender room to do a fwi. This pic shows how I did my cai on my 07 SS. Actually I did almost the identical thing on the 2005 GP GTP I had before the Monte
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