The K&N 57S Performance Airbox is produced of high-quality materials to ensure a maximum lifetime. An Airbox and a filter are enclosed, also all material to fix the Kit. In the most cases the Kit will be send with air intake pipes or hoses. The Filter is especially produced for the Airbox so it fits perfect. Of course the 1.6 million km warranty is including.
For many vehicles, K&N 57i Airbox are supplied with Street/Road certificate, support, however, a manual transmission and exhaust system series.