K&N Custom Racing Assembly - Airbox - Universal Blank - Black - 100mmK&N Custom Air Filter Kits are designed to boost the performance of your carburetor while providing superior filtration to keep dirt on the outside where it belongs. This assembly comes with a carbon fiber look top and blank base plate as well as a K&N high flow air filter designed to increase horsepower and acceleration. The base does not have any holes cut through, so it can be made to fit almost any stack configuration. Once the base has been put