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I finally posted Dan Wilson's write-up on his K&N Gen II install on his Ram.

http://www.pavementsucks.com/tech/kngen2.php
 

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Besides being the cleanest parts in his engine compartment, I have a couple of questions. First off, should you really worry about sucking water in through the filter, then in it's stock location? I personally think it might be a problem depending on how deep you go. Also, is there enough of a horsepower/fuel economy increase for the amount of money that I would have to spend for this thing?
 

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Sucking in water is an issue in the sotck location if you are in deep water or going fast in water near the top of the wheel/tire. This is becuase the fender liner will push water up towards the intake in the side of the fender.

I ahve heard some people can really feel the difference with the GenII. Not sure if its worththe $ though, especailly if you like to play in the mud/water.
 

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Well the K&N hasnt given me a problem off road yet. Except that the only thing that holds the air filter on is a stupid hose clamp. When I hit a few big bumps it always falls off. It does get very annoying. I'll probably just rig something better to hold it on.
 

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the K&N intake comes with the shroud that pretty much seperates the filter element from the rest of the engine compartment. If your going to be getting water that high up, you have other problems to worry about besides the intake. The shroud will keep flung water and mud off of it. The filter is the same height as the the stock one too, so if your going through water that high, either way your going to get water in your intake, stock or not. Also, the K&N filter uses the oil on the cloth gauze, which repels water, making it water resistant. The stock one doesn't. So if anything, water and mud are not threats to the k&N any more than the enclosed airbox filter. Plus, with the K&N, you get the power gain benifits too.
 

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I installed a chrome hat air filter to replace the factory one, $20 at autozone. As for performance, the higher RPM range (3,500-up) seemed to rev a lot, lot quicker than with the stock setup, and it makes a hellish sucking noise at wide open throttle. It also looks pretty damn cool too.
just my 2 cents.
 
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