Outerwears Pre-filter water-repellent sleeve for closed top air filters (Motorcraft, K&N, Ford Racing Etc)

The Outerwears Pre-filters are designed to improve the efficiency of air filters, filtering debris down to .005" and resisting various environmental conditions.

• The Pre-filter is designed to deflect debris that clogs air filters, improving air flow and horsepower.
• The Pre-filter extends the time between servicing intervals, reducing costs and increasing convenience.