K & N Oil Filter KN-655 Air Cleaner Kit — Swept Combined with Graves’ exclusive flash

Combined with Graves’ exclusive flash tune map this system produces improved midrange and top end horsepower over the lower mount systems

All of this = more power

The X-Force

New Ninja 400 specific features - Longer Cam chain tensioner bolt for better compatibility with deck-cut engines

K & N Oil Filter KN-655 Air Cleaner Kit — Swept Combined with Graves’ exclusive flashK&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oils A large filter media provides high flow rates and outstanding oil filtration to keep your motor running clean and smooth Uniform pleated synthetic filter media provides high capacity and outstanding filtration Synthetic Media allows for the higher flow rates associated with synthetic and synthetic