K&N RK Series Airfilter Assy FXD08-UP for Harley-Davidson

K&N RK Series Airfilter Assy FXD08-UP for Harley-Davidson

K & N's Claims You Get More Horsepower From Your Twin Cam Engine When This Extra Large "RK Series" Filter Is Fitted. BUILT AROUND THE LEGENARY K&N HIGH-FLOW AIR FILTER, THE NEW RK SERIES ASSEMBLY INNOVATIVE POWDER COATED BILLET BLOCK BACK PLATE THAT EXTERNAL DELAINATES EXTERNAL BREATHERS AND FEATURES A BUILT-IN, DYNO-TENED VELOCITY STACK. The result is a significant Airflow increased to the Engine Without Sacrificing filtion. This RK Series Assembly Retains A Factory Appearance by Using The Stock Air Cleaner Cover, Yet Boasts Superior Filtration and Performance With A K&N Stamped Laser Ethed Beauty Ring. All models feature internal Breathers to replace the external oem breather set-up. Available for All Twin Cam Models 1999 Thru 2017 and 2004 to present XL Sportsters.

OEM replaces: