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Air intake "flex" tube, where to get it?

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Old 07-26-2010, 11:32 AM
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Default Air intake "flex" tube, where to get it?

I'm looking for a 4" flexible tube for the air intake on my LQ4.

I'm looking for something more like the accordion style of factory and not what is called a "hump" like this:


I need to be able to have ~1-2" of compression/expansion because this is going to the air filter box and not a K&N open element. Thus I need to have a bit of compression.

In this picture, the inlet of the air box would be right at the end of the aluminum tube.
Old 07-27-2010, 09:13 PM
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Anyone have any ideas on this?
Old 07-28-2010, 10:50 AM
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McMaster Carr has a bunch of them.

http://www.mcmaster.com/#fabric-duct-hose/=85pl9z

Usually get their stuff in 1-2 days from the time you order too.
Old 07-28-2010, 08:39 PM
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Check Spectre and Airraid web sites

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Old 07-29-2010, 10:40 AM
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Thanks for the input so far.

As mentioned, I need to have ~1-2" worth of compression/expansion.

McMaster didn't seem to have something of the "quality" I was looking for. While the rig is not going to be show-n-shine perfect, I'd like to keep everything looking "factory" installed

Airraid appears to do the hump style "flex". IntakeHoses.com also does the hump style. According to IntakeHoses.com, the hump only has ~1/8" compression.

Spectre has an odd item 9751. But it appears to be cloth ducting:


Has anyone used that one?
Old 07-30-2010, 05:46 PM
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Originally Posted by Lil'John
Thanks for the input so far.

As mentioned, I need to have ~1-2" worth of compression/expansion.

McMaster didn't seem to have something of the "quality" I was looking for. While the rig is not going to be show-n-shine perfect, I'd like to keep everything looking "factory" installed

Airraid appears to do the hump style "flex". IntakeHoses.com also does the hump style. According to IntakeHoses.com, the hump only has ~1/8" compression.

Spectre has an odd item 9751. But it appears to be cloth ducting:


Has anyone used that one?
I used it but would not buy it again. It cracked and became brittle in less than a year under the hood. These guys carry 4 inch flex http://www.ramairbox.com/
Old 07-30-2010, 06:18 PM
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Originally Posted by rockytopper
I used it but would not buy it again. It cracked and became brittle in less than a year under the hood. These guys carry 4 inch flex http://www.ramairbox.com/
Thank you VERY much for the heads up on the Spectre thing.

Have you seen or used the flex hoses from ramairbox?
Old 07-31-2010, 09:43 AM
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I used the flex off the OEM air tube that came with my 2003 Tahoe 5.3.



It is a pain to get the flex hose off the plastic without damaging the hose.
One end is a little oversized, I used a short piece of silicone hose for a spacer.
Hope this helps.

Malcolm
Old 07-31-2010, 04:52 PM
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Originally Posted by Lil'John
Thank you VERY much for the heads up on the Spectre thing.

Have you seen or used the flex hoses from ramairbox?
I have not. I just figured sense thay are in the business maybe their products are designed for the heat and environment under the hood. Honestly I thing you can buy the aluminum tube at lowes cheaper. Good Luck I have bought from this guy he carries a lot of stuff for air intake but I don't think he has any flex http://www.jagsthatrun.com/AirDucts_Order.html .
Rocky



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