This K&N air filter is perfect for car enthusiasts who want to enhance their vehicle's performance. It's ideal for daily driving, long - distance road trips, or even a bit of spirited driving on the weekends. The filter is designed to fit easily into the factory air box of specific Chrysler Crossfire and Mercedes - Benz SLK320 models from 2001 to 2008. While exact size and weight details aren't provided, it's engineered to be a direct replacement that offers better airflow and contaminant capture than standard filters.