This K&N filter is great for snowmobile riders who want to improve their machine's performance. It can be used in various snowmobiling conditions to ensure a steady flow of clean air. The filter has an outer diameter of 3.75 inches, an inner diameter of 2.438 inches, a height of 5 inches, and a top outer diameter of 3 inches with a 2 - inch angled flange. Whether you're a casual rider or a professional, this filter is a great addition to your snowmobile.