Search
Filters
Close
Vehicle Fitment CheckConfirm vehicle details before checkout
Secure SSL CheckoutYour data is always protected
Fast, Easy ShippingShips from trusted partners
Parts Legion on eBayVisit our store

Parts Legion product listing

K&N Engineering KN Motorcycle Direct Fit Air Filters - RK-3201

K&N Engineering Part number: RK-3201 Out of Stock - on backorder and will be dispatched once in stock.
Ready for checkout Secure this part for your build
$179.99
Secure checkout Availability and delivery details shown below Ask for fitment help
Availability: Out of Stock - on backorder and will be dispatched once in stock.
Part number: RK-3201
Manufacturer: K&N Engineering
K&N 4in ID / 5.5in OD / 2in H Custom Assembly Filter designed to fit Harley-Davidson Motorcycle
Special order — availability will be confirmed after purchase.

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 washable and reusable high-flow filter, increasing airflow for enhanced horsepower and quicker throttle response. The precision-designed backing plate and integrated velocity stack ensure smooth, efficient air delivery, optimizing engine performance on every ride. Built for long-lasting durability and a bold, custom appearance, the RK-3201 delivers the perfect combination of power, reliability, and standout style for your motorcycle.

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 cleaner comes with a K&N high-flow air filter. These air cleaners are perfect for many applications, such as racing or off-roading. This custom air cleaner has a 2.625 in (67 mm) inlet and comes with one gasket. The back-plate is pre-drilled. Included is a gleaming round chrome cover.

This K&N custom air cleaner was designed to fit Harley-Davidson motorcycles. This K&N air cleaner is not street legal nor recommended by Harley-Davidson Motor Co., Inc. .

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

Intake System-Harley Davidson

Excellent engine protection

Custom Assembly Air Filter

Air Cleaner Assembly

Air Intake System

No vehicle listing found We do not have a vehicle-specific fitment row for this product yet.

This does not automatically mean the part is universal. Send us your year, make, model, trim, and the part number before ordering.

Ask fitment help