Filter is 1" taller than standard filter and features a low-restriction, pre-oiled filter element High-flow filter designed especially for Super E and G carburetors Allows for a 37% increase in airflow Made in the U.S.A. Not for use with S&S Super B or Super D carburetors, or Super E and G Kits for Buells.. FILTER AIR HI-FLOW E/G