K&N Tuning air filters are the best-known and most installed racing air filters in 4-stroke engine tuning. The increased airflow, together with extremely good filtering characteristics, has secured the top spot for this filter for years. The advantages are not just in the performance increase from the improved airflow, but also in the longevity of the filter. This long-life filter is completely washable and generally lengthens the life of the engine. Despite the high price, this filter system offers an efficient and effective saving on filter costs. This version has chrome end caps. Suitable for KXT/MXU 250, MXU/Maxxer 300.