These air filters are a must in off road conditions. The aluminum top prevents dirt from plugging up the outer filter. You can also use an inner filter number CPR129248 this inner element can then be oiled for better engine protection. This filter features a 2 5/8″ neck, please take a look at our CPR129264 and our CPR129260 when installing this filter on your off road car.
California Prop 65 Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov