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 powder coated billet aluminum backplate that...
K&N Street Metal Intake System for 01-16 Harley Davidson Softail/Dyna - Shaker Black - RK-3950 K&N Street Metal Air Intake Systems for Harley Davidson motorcycles increase power by replacing the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a cast aluminum high-volume aluminum housing. This K&N high-flow air...