Washable and reusable high-performance replacement air filter, exclusively for racing use. Designed to replace the stock plastic airbox cover and OEM air filter, it bypasses the OEM intake snorkel and achieves higher performance and improved sound. The airflow of this new DNA Stage 2 replacement air filter is many times higher than the stock YAMAHA air filter box with OEM air filter and stock airbox cover attached. Included in the scope of delivery are a special stainless steel bracket for mounting the stock ECU, as well as cable ties for securing and fastening the ECU. Installation instructions and performance enhancement diagram can be found under the media. Item Article Width 16.0 cm Main color black Height 2.0 cm Length 17.0 cm Secondary color violet Variation Replacement filter