K & N Air Filter - Screaming Eagle/XL HD-0900 Yamaha Polo Shirt in large part because of

in large part because of its unique internal venturi design of the inner filter Slim profile keeps the unit away from the rider’s leg Formed stainless steel mesh insert Optimize overall performance Made in the U

Fully external plastic shell with anti-slip grip

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

1 Auto Tuner Style Lambda sensors comes standard

Precision CNC machined from 6061 T6 billet aluminum and black anodized then laser etched

K & N Air Filter - Screaming Eagle/XL HD-0900 Yamaha Polo Shirt in large part because ofConstructed of a unique, open cell polyurethane material that allows maximum airflow while still providing superior filtration Top quality replacement air filter elements from Uni, the OEM supplier to Harley Davidson Made in the U. S. A.