Zoo Performance high-flow performance air filters are made from a superior quality, high-temp resistant polypropylene which provides optimal airflow and extreme filtration. These filters are washable and can be re-used which means long lasting & cost effective. Each filter is supplied with a stainless steel clamp for quick installation. We also recommend re-oiling your air filter, as the air impurities could easily enter your engine and cause problems 3" AIR FILTER Overall Height: 185mm Top Diameter: 5" / 127mm Base Internal Diameter: 3" / 76mm Width at the largest point: 154mm 4" AIR FILTER Overall Height: 265mm Top Diameter: 5" / 127mm Base Internal Diameter: 4" / 101mm Width at the largest point: 156mm 5" AIR FILTER Overall Height: 128mm Top Diameter: 5" / 127mm Base Internal Diameter: 5" / 127mm Width at the largest point: 162mm
