K & N Harley-Davidson Custom Air Filter Assembly RK-3909-1 Temperature Decals Factory matched paint color

Factory matched paint color

Strapless can design mounts without the use of strap bands around the silencer by using a top mounted bracket that's structurally integrated

2019-2023 Yamaha YZ 250 F - - 2018-2022 Yamaha YZ 450 F

New Diamond Shaped Silencer Design (Carbon Fiber Cans with Carbon End Cap) designed to match the R1's body line

Aramid Fiber cord

K & N Harley-Davidson Custom Air Filter Assembly RK-3909-1 Temperature Decals Factory matched paint colorOversized black powder coated aluminum backing plate provides solid mounting Fits behind the OE air cleaner cover maintaining the factory appearance Replaces the stock air filter and cleaner backing plate assembly Washable, oversized K&N high flow air filter equals longer life Dyno tuned velocity stack directs airflow to engine Built in breathers replace external OE breathers Guaranteed increase in horsepower Does not include cover Made in the U. S. A.