Ok guys I'm new to this forum. But came here for answers. I bought a used 2015 street 500 about six months ago. I like the bike. Its size and eight are perfect for me. But I have an issue with the air cleaner assembly. It sticks out so far that my knee tends to hit on it quite a bit when stretching on long rides. I noticed the 750a has a much tighter air box but I cannot seem to find any info on modifying it to fit a 500. (seen guys change it over on a 750.) I know it has two holes etc. My question is is there a tighter airbox that will fit without serious modifications? I don't want to have to worry about rain socks etc. The V&H naked as well as the arlen naked have tons of bad reviews but also look like they would create the same problem for me. Am i asking too much for their to be an honest to goodness upgrade approach to this HD forgotten bike?