Uni street bike air filters provide unsurpassed airflow, dirt stopping ability and overall performance. Uni filter street bike air filters are a direct factory replacement filter and are designed to fit perfectly into your stock airbox. This item fits the following applications: 1988-2006 Suzuki GSX600F Katana 1989-1997 Suzuki GSX750F Katana 1988-1993 Suzuki GSX1100F Katana