K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service...

K&N RX-4140 Universal X-Stream Clamp-On Air Filter in round straight design with integrated top filter for superior airflow and filtration.Key Specs:Outside Diameter: 4 in (102 mm)Flange Inside...

K&N RX-4730 Universal X-Stream Clamp-On Air Filter combines tapered design with X-Stream top for exceptional airflow and extended service life.Specs:Large End/Base: 6 in (152 mm)Flange Inside...

Extra duty version K&N RX-4730XD Universal X-Stream Clamp-On Air Filter with reinforced construction and X-Stream top for demanding use.Specs:Large End/Base: 6 in (152 mm)Flange Inside Diameter: 3 in...

K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service...

K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service...

K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service...

K&N RX-4990DK Drycharger Wrap adds water repellency and pre-filtration to RX-4990 X-Stream filters. Silicone treated polyester material with uniform micron openings.Features:Fits RX-4990 seriesRound...

K&N RX-4990DL Blue Drycharger Air Filter Wrap provides the same water-repellent protection as the black version but in blue color. Perfect for matching or custom looks.Features:Blue colorFits RX-4990...

The K&N Drycharger is a silicone treated, polyester wrap that is made to cover K&N Air Filters or Personal Watercraft Flame Arrestors. These Drychargers, which are similar to the K&N Prechargers,...

If you require good clean air and lots of it, K&N Clamp-on filters are your best bet for improved performance! Universal in style, K&N snowmobile filters replace the existing airbox and OEM stock...

If you require good clean air and lots of it, K&N Clamp-on filters are your best bet for improved performance! Universal in style, K&N snowmobile filters replace the existing airbox and OEM stock...