It was a perfect fit, the packaging says it's for 2013, 2014, it fits 2015 too. Very easy to install and works great. I don't know what the HP increase is but you can see the difference, really slight. This is a great product, but what do you expect? K&N is everything they do. Finally, I do not work for or have anything to do with K&N, I have used their products on snowmobiles, ATVs and pretty much anything with a motor, they are always the best.
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