UNI Filter 2 Stage Performance Air Filter for 2011 14 Polaris RZR XP 900 NU 8516ST 1997 01 Harley Davidson Super Glide FXD 2006 14 Yamaha FZ1 2006 14 Yamaha FZ1 1983 87 Honda XL600R Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Electrosport Plug In Regulator Rectifier Part Number ESR670 Fitment Type Unit Sale Qty Style Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter Ca ARB Compliance Non CARB Complaint CARB Compliant Product Disclaimer " And that's exactly what we did The Uni Air Filter's ability to hold extreme amounts of dirt and still provide excellent air flow and performance has made Uni Filter the choice of some of the greatest racers of all time