System turns the filter around so it faces backwards, keeping it shielded from dirt and mud Comes with a high-volume oversized Uni filter maximizing air flow Innovative upgrade allows the bike to be jetted for optimum performance Delivers a high volume of air to your carburetor resulting in sharper throttle response For stock frame applications the optional Airbox Removal Bracket (PART #1011-1503) can be used for added support of the left hand shroud. FILTER KIT U-FLOW HONDA