I had to go to the garden section in the lowe's here to find mine. Anyways aluminum should be fine, we used the plastic because of the factory look. Now remember to get a k&n filter (or some other none paper oil based filtration) so water doesn't destroy it. Also clean the sucker, especially if you drive in dusty conditions. I had min on for 3 months, went to wash it and a gravel pit came out......

 

Did my custom ram air/cold air intake earlier this week. Just drove through white out snow 18 miles....airbox was DRY. thanks guys for the great write up

 

Garden section, eh?
Hm...gonna check tomorrow.
And, ya, not too concerned with water here for the next...what...10-11 month? BUT, the dust...and that is another Q from my part. Since the K&N is Oily...will it clog up with this fines sand, dust from the desert?

ALSO...I bet I am getting to much into this, but...those ridges from the flexible tube...do they cause turbulence inside the tube and might slow down the air-flow?

Not that it matter...

 

yes the ridges cause turbulence, i would use smooth PVC myself.

i would stay away from aluminum (or any metal for that matter) as it conducts heat too readily, Plastic has some insulating properties to it, even if they are limited.

 

K, will see what I can get my hands on.
Push comes to shove, I will try Aluminum and wrap it in thick insulation tape. It's gonna cost a bit more but still less than what I would spend on a real intake.
The K&N filter can wait since there will be no real wet weather here for some time and I am thinking that all that fine dust will stick to the oily surface, clogging it up.
I will also put a little freezer in the back of my truck and then once in a while throw ice-cubes into the air intake...it will be a home-made Cold-Air Intake System, eh?

Hold your applause...none needed. I was born this smart.

 

LMAO, you're gonna need A LOT of ice. Remember k&n filters are cleanable, mine didn't clog in really dusty conditions.

 

K&N is not your only filter option. I am using a Spectre reusable filter and am very satisfied with it. I literally paid $20 at Auto Zone for it; the K&N was $48.

Also, for those of you wanting to do this on a 2002 5.9L with A/C, you will have to use a pliable plastic tube as there is VERY little room for ductwork between the radiator and body.

 

Yes there is amsoil filters too and others, just as long as its oil based. I had to use flexible tubing to get around my a/c too.

 

Maybe I missed it, but has anyone told how its done for the 2003 4.7?

 

basically the same thing, the airbox is in the same position on all the trucks and 2003 does NOT have the TCM in the way.