At DMG Motorsports, we present the OUTERWEARS ATV Pre-Filter for K&N AC400 Stock 20-1271-03 applications — a water-resistant pre-filter designed to help keep sand, dirt, clay and water away from the air intake while maintaining airflow. Its silicone-impregnated micro-mesh construction and welded seams provide a dependable barrier for demanding riding conditions.

Features:

• Designed for K&N AC400 Stock 20-1271-03 applications
• Silicone-impregnated micro-mesh is water resistant
• Dielectrically welded seams
• Uniform micron-sized openings allow air in while filtering unwanted elements
• Filters particles as small as .005 inch in diameter
• Dyno and flow bench testing showed no significant loss of horsepower or air intake

Fitment