Instruction Sheets for Part Number KNN-57-1137S
K&N 57 Series FIPK Cold Air Intake Kits
Air Intake, 57 Series FIPK, Aluminum Tube, Silver, Cotton Gauze Filter, Oiled, Red, for use on Harley-Davidson®, 1442cc, 1573cc, 1688cc, Kit
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Estimated Ship Date: May 11, 2026 Would you rather pick it up?
Overview
K&N 57 Series FIPK Cold Air Intake Kits
K&N 57 Series FIPK cold air intake kits are designed to eliminate air path restriction and deliver a massive amount of air into your engine, resulting in more power. These fuel injection performance kits are guaranteed to increase horsepower. They are engineered for specific vehicles to replace the OEM setup, including those with computer systems. The air filter element is washable and reusable, lasting up to 100,000 miles before service is required (driving conditions dependent). Where applicable, protective heat shields and hardware are included with installation designed to use factory holes and mounting points for easy installation. The air must flow—and it will when you order the K&N 57 Series FIPK cold air intake kit best suited for your application!
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Some parts are not legal for use in California or other states with similar laws / regulations
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