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 Replacement Drop In Air Filter for 16-17 Yamaha YXZ1000R - YA-0116

The K&N High-Flow Air Filter for SxS / ATV, UTV is engineered to increase airflow for improved horsepower, acceleration, and throttle response while protecting your engine. Built with premium oiled...

K&N Replacement Drop In Air Filter for 2015 Yamaha YZF R1 - YA-1015

The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with...

K&N Replacement Unique Air Filter - 2013 Honda SH150i - HA-1513

The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with...

K&N Rover Mini L4-1.3L F/I 96-00 Cold Air Intake - 57-0189

K&N 57i Series induction kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can take...

K&N Street Metal Intake System - Shaker Touring 2017 Silver Intake System-Harley-Davidson - RK-3955S

K&N Street Metal Air Intake Systems for Harley Davidson Dyna, Softail, Touring and Twin-Cam Model motorcycles increase power by eliminating the restrictive stock OE air cleaner and replacing it with...

K&N Street Metal Intake System 08-16 Harley-Davidson Shaker Silver H/D Touring Models - RK-3951S

K&N Street Metal Air Intake Systems for Harley Davidson motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing. If...

K&N Street Metal Intake System 2017 Harley-Davidson Shaker Black H/D Touring Models - RK-3956

K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing...

K&N Street Metal Intake System 2017 Harley-Davidson Shaker Silver H/D Touring Models - RK-3956S

K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing...

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 replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing. If...

K&N Street Metal Intake System for 02-06 Harley-Davidson Road King F/I 88cl Side Draft Dyna/Softail - RK-3953

K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing...

K&N Street Metal Intake System for 08-16 Harley-Davidson Touring Models - Shaker Black - RK-3951

K&N Street Metal Air Intake Systems for Harley Davidson® motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing...