Outerwears K&N Pre-Filter RU-0520

Upgrade your engine's protection with an intake pre-filter from Outerwears designed to fit your favorite K&N upgraded filter elements. Made from silicone-impregnated micro-mesh for water resistance and dielectrically welded at the seams, these pre-filters can remove particles as small as .005" in diameter without noticeable restriction in the airflow to your engine. Material contains uniform micron-sized openings that allow air in and filter out the unwanted sand, dirt, clay and moisture.

Features:

• Dyno and flow bench testing reveals no loss of horsepower or airflow when using this product
• Keeps your engine safer in harsh conditions
• Filters particles down to .005"
• See fitment notes for more filter compatibility