K&N Custom Harley Davidson Air Filter Assembly KNRK-3909-1 Product:Fits 1999-2012 Softail, Fat Boy, Heritage, Night Train, Rocker & Dyna With 1-5/8" Tall Filter - KNRK-3909-1 100 Series Taper 150° Swivel

100 Series Taper 150° Swivel Hose End -8ANBlue/Red Finish

570 Series PTFE 45° Hose End -3ANBlue/Red Finish

K&N Custom Air Filter Assembly 14 OD x 3" HFits Neck Size 5-1/8" - KN66-3040

Turning the wheel becomes a muscle-building workout

and other severe duty oval

K&N Custom Harley Davidson Air Filter Assembly KNRK-3909-1 Product:Fits 1999-2012 Softail, Fat Boy, Heritage, Night Train, Rocker & Dyna With 1-5/8" Tall Filter - KNRK-3909-1 100 Series Taper 150° SwivelK&N Custom Harley Davidson Air Filter AssemblyFits 1999 2012 Softail, Fat Boy, Heritage, Night Train, Rocker & Dyna With 1 5 8" Tall Filter KNRK 3909 1 KNRK 3909 1 RK 3909 1 K&N's RK Series was developed to get more horsepower from your Twin Cam Harley Davidson engine. Built around the legendary K&N High Flow Air Filter, the this RK Series assembly includes an innovative powder coated billet aluminum backplate that eliminates external breathers and