Twin Air 154100 Air Filter Fits KTM 125 SX 1981

Twin Air Filter Designed for your bike - no "universal fits" at Twin Air - we have molds for 1500+ different model motorcycles dating back to 1965. Washable and reusable - reusing a Twin Air filter 30 times is common. Dual-layer foam made to our specifications, with cells that are evenly sized and distributed. Minimized seams made possible by a revolutionary micro-gluing process. Greaseless sealing ring. Assembled by hand and inspected for a perfect fit. Some applications have a flame-retardant foam layer laminated to the filter that eliminates the restrictive, stock backfire screen. Part Number: 154100 Compatible With: KTM 1981 125 SX 125cc   WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov