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 supplying superior air flow. They are machined from billet aluminum, luster polished, then chrome plated to complement your show bike. This K&N custom air cleaner fits select Sportster models. Each K&N air cleaner comes complete and ready to use including, a mounting bracket kit. There's nothing else to buy. Installation is easy, so exceptional performance is only a few steps away with a K&N custom air cleaner. Not only that, but these parts are designed for optimal looks. The beautiful round custom cover with shining chrome finish provides your Harley with the fierce look you're looking for.
Enhance your Harley-Davidson's performance with the K&N High-Flow Air Intake System. This expertly engineered intake replaces the stock air cleaner with K&N's signature washable and reusable filter, providing superior airflow for increased horsepower and sharper 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 striking custom appearance, the RK-3903 not only elevates your bike's power but also adds a bold, aggressive look that turns heads wherever you go.
K&N air cleaner assemblies custom-designed for your Harley-Davidson. Machined from billet aluminum, luster polished, then chrome plated to complement your show bike.
K&N H/D Sportster Filter Kit Round Mirror Intake System-Harley-Davidson
Intake System-Harley Davidson
Air Cleaner Assembly
Chrome-plated cover
Air Intake System
