All models of the K1600 move in dirty air more than other bikes out there. I came from a Honda ST1300 that also didn't like dirty air, so it doesn't bother me. If you are coming from a cruiser than it will take some time to get use to it. Every review I've read points out the issue. The same steering geometry that allows this, is what allows the bike to steer into corners so effortlessly.
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