K&N? Why?

So, I sold my motorcycle, which is sad but, I think, necessary. Of course I immediately started shopping for a new one – one with fewer problems. I’m looking for an all purpose bike, probably a Suzuki DL650 V-Strom … that’s neither here nor there for the purposes of this post. I peruse the used motorcycle listings for bikes and one of the most common “upgrades” I see is replacement of the stock air filter with a K&N. Read more