K&N Universal Clamp-On Air Filter 6in FLG / 9in B / 6-5/8in T / 7-1/2in H

K&N Universal Clamp-On Air Filter 6in FLG / 9in B / 6-5/8in T / 7-1/2in H

Upgrade engine power with the K&N Universal Clamp-On Air Filter featuring a 6" flange, washable cotton gauze, and high-airflow design for custom setups.

The K&N Universal Clamp-On Air Filter is engineered to increase horsepower, acceleration, and airflow while providing exceptional engine protection. Featuring a round tapered cone design with a 6-inch flange inside diameter, a 9-inch base, a 6-5/8-inch top, and a 7-1/2-inch overall height, this high-flow filter accommodates a wide range of custom intake configurations.

Built with layered oiled cotton gauze media, it traps harmful dirt and contaminants while delivering significantly higher airflow than standard paper filters. Its ultra-strong, pliable rubber flange absorbs engine vibration for secure clamp-on mounting and can stretch up to 1/16 inch (1.5mm) to fit slightly off-size intake pipes. Fully washable and reusable, this filter eliminates the need for frequent replacements, making it a reliable, eco-friendly performance upgrade.

Best Uses

1. Custom Engine & Intake Builds: Ideal for custom cold air intakes, turbocharger setups, and custom engine bays requiring a 6-inch intake pipe connection.
2. Motorsports & Racing: Designed for high-output race cars, track vehicles, and off-road builds demanding maximum air volume.
3. Powersports & Specialty Equipment: Suitable for custom tractors, generators, snowmobiles, and ATVs needing durable, high-flow filtration.

Features

1. Precision Dimensions: Features a 6" flange ID, 9" base OD, 6-5/8" top OD, and a 7.5" filter height for large custom intake tubes.
2. High-Flow Cotton Media: Constructed with multiple layers of treated cotton gauze designed to maximize airflow while capturing airborne particulates.
3. Pliable Molded Rubber Flange: Built with a durable rubber neck that absorbs vibrations and stretches up to 1/16 inch for a snug, leak-free fit.
4. Clamp-On Design: Connects directly to intake tubing using a standard heavy-duty hose clamp for simple, secure mounting.
5. Washable & Reusable Construction: Formulated for long-term use; clean, re-oil, and reinstall without replacing the entire unit.

Benefits

1. Increased Horsepower & Acceleration: Delivers up to 50% more airflow than restrictive paper filters, improving overall throttle response.
2. Superior Engine Protection: Traps dirt and harmful particles efficiently, helping extend engine life without starving it of air.
3. Cost Savings: Reusable design saves money over time by eliminating repeated filter purchases.
4. Vibration-Resistant Fit: Pliable rubber flanges hold firm under high engine movement and vibration.
5. Eco-Friendly Choice: Reusable materials help reduce landfill waste created by disposable filter elements.