K&N High Flow Replacement Air Filter KA-6512 Helmet Accessories The result: less smog-forming pollution

The result: less smog-forming pollution leading to a healthier environment

ATV/UTV POLARIS Sportsman 550 Forest 4X4 2011-2012

SNOWMOBILE SKI-DOO Mach Z 1000 Adrenaline SDI R L/C 121" 2005-2007

5mm) to fit in-between sizes

K&N High Flow Replacement Air Filter KA-6512 Helmet Accessories The result: less smog-forming pollutionK&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace