Description

This K&N RK Series Air Intake System was designed to get more horsepower from your Twin Cam Harley-Davidson engine. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover. The K&N RK-3930 Air Intake System was designed to get more horsepower from your Twin Cam Harley-Davidson engine. Built around the legendary K&N High-Flow Air Filter, this RK Series assembly includes an innovative powder coated billet aluminum back plate that eliminates external breathers and features a built-in, dyno-tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover.

Increases horsepower
Washable and reusable
Fits inside stock cover
Provides increased air flow

Application Summary:

Year	Make/Model
2008-2013	Harley-Davidson FLHR Road King
2008-2013	Harley-Davidson FLHRC Road King Classic
2008	Harley-Davidson FLHRSE4 Screamin Eagle Road King
2008-2009	Harley-Davidson FLHT Electra Glide Standard
2008-2013	Harley-Davidson FLHTC Electra Glide Classic
2008-2013	Harley-Davidson FLHTCU Electra Glide Ultra Classic
2010	Harley-Davidson FLHTCUSE5 CVO Ultra Classic Electra Glide
2009-2013	Harley-Davidson FLHTCUTG Tri Glide Ultra Classic
2010-2013	Harley-Davidson FLHTK Electra Glide Ultra Limited
2008-2013	Harley-Davidson FLHX Street Glide
2010-2011	Harley-Davidson FLHXXX Street Glide Trike
2008-2010	Harley-Davidson FLTR Road Glide
2011-2013	Harley-Davidson FLTRU Road Glide Ultra
2010-2013	Harley-Davidson FLTRX Road Glide Custom