Motorcycle Honda Kawasaki Suzuki Yamaha SYM 32mm Chrome Power Air Filter 4pcs Increase airflow, Adds up 2 to10 horsepower depending on your adjustment. Universal conical filter and clamp Strong - pliable rubber flanges Inside Diameter : 32 mm , Overall Height: 2 3/4" , Outside Diameter at Widest Point: 2 1/2" , Outside Diameter at Top: 2" Package Content :4pcs / set