K&N H/D Sportster Filter Kit Teardrop Grooved Intake System - RK-3914

K&N air cleaner assemblies, designed for your Harley-Davidson, are a remarkable combination of performance and style. These air cleaner assemblies are made to increase horsepower and torque by...

K&N H/D Sportster Filter Kit Round Grooved Intake System - RK-3913

K&N air cleaner assemblies, designed for your Harley-Davidson, are a remarkable combination of performance and style. These air cleaner assemblies are made to increase horsepower and torque by...

K&N Street Metal Intake System - Grind Intake System-Harley-Davidson - RK-3911

K&N air cleaner assemblies, designed for your Harley-Davidson, are a remarkable combination of performance and style. These air cleaner assemblies are made to increase horsepower and torque by...

K&N Oval Red 9in Intake System for Harley-Davidson - RK-3910-1

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...

K&N Red Intake System for Harley-Davidson - 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...

K&N 1999-2012 YAMAHA XV1600 Air Filter - RK-3905-1

Maximize your Harley-Davidson's performance with a K&N High-Flow Air Intake System. This premium intake replaces the factory air cleaner with K&N's washable and reusable high-flow filter, delivering...

K&N H/D Sportster Filter Kit Round Mirror Intake System-Harley-Davidson - RK-3903

K&N air cleaner assemblies, designed for your Harley-Davidson, are a remarkable combination of performance and style. These air cleaner assemblies are made to increase horsepower and torque by...

K&N Street Metal Intake System - Torch Intake System-Harley-Davidson - RK-3902

K&N air cleaner assemblies, designed for your Harley-Davidson, are a remarkable combination of performance and style. These air cleaner assemblies are made to increase horsepower and torque by...

K&N Air Filter Wrap Black Round Height 2.5 in ID 7.5in - RK-3901PK

The K&N PreCharger filter wrap is specially designed to extend the service interval of your K&N Filtercharger filter when used in very dusty conditions. They are made from durable polyester material...

K&N 4in ID / 5.25in OD / 2in H Custom Assembly Filter designed to fit Harley-Davidson Motorcycles - RK-320B

K&N custom air cleaners are designed for use on older Harley-Davidson motorcycles. With proper carburetor calibration, these custom air cleaners can increase horsepower on your bike. Each custom air...

K&N 4in ID / 5.5in OD / 2in H Custom Assembly Filter designed to fit Harley-Davidson Motorcycle - RK-3201

Upgrade your Harley-Davidson with a K&N High-Flow Air Intake System, engineered for riders who demand both performance and style. This complete intake replaces the stock air cleaner with K&N's...

K&N Universal Chrome Filter 2 3/4in FLG / 4 1/2in Bottom / 4 1/2in Height - RG-1003RD-L

K&N adjustable fitting Universal Air Filters are made with flange inserts which adjust the filter's flange to one of three inside flange diameters. The flange on these filters is made with...