![K&N Universal Air Filter - Round Tapered 4in Flange ID / 5.375in Base OD / 4in Top OD / 5.5in H - RP-4660 - CSPRacing K&N Universal Air Filter - Round Tapered 4in Flange ID / 5.375in Base OD / 4in Top OD / 5.5in H - RP-4660 - CSPRacing](https://cdn11.bigcommerce.com/s-jobx3e0qy/images/stencil/1280x1280/products/20844/66543/rp-4660__27516.1591792974.jpg?c=2)
K&N Universal Air Filter - Round Tapered 4in Flange ID / 5.375in Base OD / 4in Top OD / 5.5in H - RP-4660 - CSPRacing
![K&N Universal Air Intake System: High Performance, Premium, Guaranteed to Increase Horsepower: Filter Height: 4.875 In, Shape: Round Reverse Tapered, RC-5052AS - Walmart.com K&N Universal Air Intake System: High Performance, Premium, Guaranteed to Increase Horsepower: Filter Height: 4.875 In, Shape: Round Reverse Tapered, RC-5052AS - Walmart.com](https://i5.walmartimages.com/asr/d8ad3658-3a3c-4965-88bd-a61a1109f4bb_1.c5af1b5c0ddf8331428dd09f07ca58d7.jpeg)
K&N Universal Air Intake System: High Performance, Premium, Guaranteed to Increase Horsepower: Filter Height: 4.875 In, Shape: Round Reverse Tapered, RC-5052AS - Walmart.com
![K&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 6 in (152 mm) Flange ID; 8.5 in (215.9 mm) Height; 7.5 in (191 mm) Base; 5 in (127 mm) Top , RF-1041 - Walmart.com K&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 6 in (152 mm) Flange ID; 8.5 in (215.9 mm) Height; 7.5 in (191 mm) Base; 5 in (127 mm) Top , RF-1041 - Walmart.com](https://i5.walmartimages.com/asr/7b103d79-20dd-44c2-af98-d6165be2123b_1.0aefed05d6a459412d9947de85663f66.jpeg)
K&N Universal Clamp-On Engine Air Filter: Washable and Reusable: Round Tapered; 6 in (152 mm) Flange ID; 8.5 in (215.9 mm) Height; 7.5 in (191 mm) Base; 5 in (127 mm) Top , RF-1041 - Walmart.com
![Amazon.com: K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 6 In, Flange Length: 1.75 In, Shape: Round Tapered, RE-0850 : Automotive Amazon.com: K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 6 In, Flange Length: 1.75 In, Shape: Round Tapered, RE-0850 : Automotive](https://m.media-amazon.com/images/I/81snT046GEL._AC_SS450_.jpg)
Amazon.com: K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 6 In, Flange Length: 1.75 In, Shape: Round Tapered, RE-0850 : Automotive
![K&N universal air filter element, 3 1/2 in. I.D. mounting flange, 5 1/4 in. x 8 1/2 in. base diameter, 4 in. x 6 1/4 in. top diameter, 5 1/2 in. long, 3/4 in. centered flange length, chrome end cap, oval, tapered K&N universal air filter element, 3 1/2 in. I.D. mounting flange, 5 1/4 in. x 8 1/2 in. base diameter, 4 in. x 6 1/4 in. top diameter, 5 1/2 in. long, 3/4 in. centered flange length, chrome end cap, oval, tapered](https://sep.yimg.com/ay/whitespitstop/k-n-universal-air-filter-element-3-1-2-in-i-d-mounting-flange-5-1-4-in-x-8-1-2-in-base-diameter-4-in-x-6-1-4-in-top-diameter-5-1-2-in-long-3-4-in-centered-flange-length-chrome-end-cap-oval-tapered-11.gif)
K&N universal air filter element, 3 1/2 in. I.D. mounting flange, 5 1/4 in. x 8 1/2 in. base diameter, 4 in. x 6 1/4 in. top diameter, 5 1/2 in. long, 3/4 in. centered flange length, chrome end cap, oval, tapered
![K&N universal air filter element, 3 in. I.D. mounting flange, 6 in. base diameter, 5 1/8 in. top diameter, 5 in. long, 1 3/4 in. centered flange length, with molded-in velocity stack, K&N universal air filter element, 3 in. I.D. mounting flange, 6 in. base diameter, 5 1/8 in. top diameter, 5 in. long, 1 3/4 in. centered flange length, with molded-in velocity stack,](https://sep.yimg.com/ay/whitespitstop/k-n-universal-air-filter-element-3-in-i-d-mounting-flange-6-in-base-diameter-5-1-8-in-top-diameter-5-in-long-1-3-4-in-centered-flange-length-with-molded-in-velocity-stack-rubber-end-cap-round-tapered-air-filter-12.gif)