Harley too, please post your results and let us know if you now get a chriping sound under excelleration, after the install. Some get, some don't. Just curious!
So if this helps, I just came back from a ride of about 100 miles. I got stuck in a heavy down pour on the highway. I was waiting for some intake/ rain issues seeing that I do not have the rain covers on the K&N filters. No Issues at all. I was able to maintain about 75 mph without a hiccup.
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This is not my bike. But I like this idea to put the air temp sensor into the #1 air filter. You will need to extend (cut & splice) the wire harness to reach the filter.
If I had tripe filters I would put it in the filter also. With the steel insert on it I suspect you can achieve the same fit as the rubber grommet it normally fits into. If not you can add your grommet to the top of the filter.