Features: DESIGNED TO FIT IN THE FACTORY AIR BOX EXACTLY LIKE ORIGINAL FILTER THE BEST SELLING REPLACEMENT AIR FILTER FOR COMPETITION MOTORCYCLES AND ATVS UNIQUE TWO STAGE DESIGN ALLOWS FOR EASY AND COMPLETE CLEANING DUAL LAYER OF FOAM, CAN BE SERVICED SEPARATELY THIN ULTRA SEAL BASE IS VIRTUALLY IMPOSSIBLE TO TEAR AND HAS A BUILT-IN "GREASE GROOVE" USED BY FACTORY YAMAHA, KAWASAKI AND SUZUKI OFF-ROAD
Good filter, just can't say whether or not it comes oiled. The only issue i have with it is the end pice has slight ridges on it, my original is smooth and it seems like this one if you tighten down on it too much, it will slip out. I had to force myself to NOT tighten down that much and so far it seems ok.