Keep your engine performance high. K&N Cartridge Oil Filters are engineered with all racers, engine builders, motorcycle and ATV owners in mind. That???s because no matter how seriously you take your motor sports, you always want the best for your bike. K&N cartridge oil filters trap harmful contaminants while the filter's construction allows for high oil flow rates. When you push your motorcycle to the limit, K&N Cartridge Oil Filters will help maintain the peak performance you need.