Air intake tube - does it have to be like that? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 10-21-2002, 04:39 AM
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Air intake tube - does it have to be like that?

'93 YJ.
The tube from the air filter, the one that takes the air and brings it to the filter box, is very long. It's going from the bottom side of the filter box, drivers' side, down to the bottom of the radiator, then parallel with the radiator all the way to the passengers' side, then a bit upwards again.
First, it is quite long, and thus limiting the air flow. And then, it's quite low - it's practically on the level with the bumper. I wanted to raise it, to shorten it, so it's as high under the hood as I can take it, plus as short as I can make it. I was thinking about a piece of plastic or rubber pipe, wide as the original one, shaped in "U". It's because the existing tube attaches on the underside of the air filter box, so I thought to take that "U" bended piece and replace the original (long) tube, gaining some "water resistance" & quicker air flow.

Why is the original tube so long? Is it surposed to heat up the air before it's taken to the engine (it's under the radiator, which goes hot, of course)?
Or is it just another stupid thing?

Thanx!
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post #2 of (permalink) Old 10-21-2002, 10:33 AM
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Re: Air intake tube - does it have to be like that?

The original design is stupid. I pulled all that junk out of there and put a turbo city rockit tube on with a K&N filter. Now my air intake is above my engine.
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