Outerwears K&N Pre-Filter RU-4720
Upgrade your engine’s protection with an intake pre-filter from Outerwears. 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″



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