Providing a high level of filtering and preventing pressure drop is a difficult task in oil filter design. MUGEN has accomplished both with their new high performance oil filter. With the factory Honda filter as the benchmark, MUGEN design has resulted in a 30% improvement in filter efficiency and at the same time a 10% reduction in pressure drop. The new filter utilizes a "Y" shaped cross section, compared to the stock filter's round cross section, which forces more particulate to stick on the filter material.