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you can go all out like this
Cheapest and easiest way is to get a piece of 4 inch exhuast pipe (44 degree bend works best) and two large clamps and clamps the pipe to the stock intake hose and then clamp the filter to the other end. But make sure your clamp is good and strong and tight on the filter as they can be hard to get a good seal.
Wrapping electrical tape around the end of the pipe before installing the filter on the end will help make a good seal also. I didn't have to do that, but I've heard of others doing it with good results.