K&N Universal Clamp-On Air Filter 2-3/4in Flange 4-21/32in Base 3-1/2in Top 8-1/4in H - Single

SKU: knnRU-5291 UPC: 24844391803
Backordered – call for lead time

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Expected ship time: usually within 24–48 hours; some vendor items may take longer.

Call: (503) 235-1947 | Email Us: info@dfispdx.com

Regular price $104.99

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Sized at 2-3/4in flange and 8-1/4in tall, the K&N RU-5291 is a round tapered filter for custom intake builds. It uses washable, reusable oiled cotton media.

Key Features

  • Molded rubber flange absorbs vibration and stretches up to 1/16in (1.5mm) to fit in-between sizes
  • Washable and reusable

Fitment

Universal fitment, selected by dimension. Check the flange ID, base and height below against your intake and the space available.

Product Details

  • Brand: K&N Engineering
  • Manufacturer Part Number: RU-5291
  • Flange ID: 2-3/4in
  • Base OD: 4-21/32in
  • Top OD: 3-1/2in
  • Height: 8-1/4in
  • Filter media: oiled cotton

Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).

Shipping Height: 6.38

Shipping Length: 11.0

Shipping Width: 6.38

California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.