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I copied something off a site that enclosed their k&n filter with a cardboard box, which was wrapped by aluminum foil. They cut out a 4" hole on the bottom of the box which had a 4"dryer hose sticking into the bottom on the enclosed box and led the hose down through a small hole in the splash guard. I did thise to my filter and when the car revs you can actually feel air sucking into the aluminum dryer hose. So my filter is now sucking in all outside cold air.
The filter barly has any room to breathe. About a couple inches around from each side. Is it better to have the filter suck in more hot air when it was not enclosed or some what restricted all cold air??? THANKS
The filter barly has any room to breathe. About a couple inches around from each side. Is it better to have the filter suck in more hot air when it was not enclosed or some what restricted all cold air??? THANKS