![K&N RF-1030 - Round Tapered Red Air Filter (3" F x 5" B x 4.5" T x 6.5" H) | PTUNING.COM - Performance Auto Parts Warehouse, Installation, and Dyno Tuning K&N RF-1030 - Round Tapered Red Air Filter (3" F x 5" B x 4.5" T x 6.5" H) | PTUNING.COM - Performance Auto Parts Warehouse, Installation, and Dyno Tuning](https://www.ptuning.com/images/thumbs/002/0022003_kandn-round-tapered-red-air-filter-3-f-x-5-b-x-4-5-t-x-6-5-h-pn-rf-1030_550.jpeg)
K&N RF-1030 - Round Tapered Red Air Filter (3" F x 5" B x 4.5" T x 6.5" H) | PTUNING.COM - Performance Auto Parts Warehouse, Installation, and Dyno Tuning
K&N Round Tapered Universal Air Filter 3.5in Flange ID / 5.75in Base OD / 3.75in Top OD / 6in H - Down East Offroad
![K&N RP-4970 - Round Tapered Universal Air Filter 4 inch Flange 5 3/8 inch Base 4 inch Top 7 inch Height - CSPRacing K&N RP-4970 - Round Tapered Universal Air Filter 4 inch Flange 5 3/8 inch Base 4 inch Top 7 inch Height - CSPRacing](https://cdn11.bigcommerce.com/s-jobx3e0qy/images/stencil/1280x1280/products/21558/14272871/4442f52fc8ab00df3c8848caa8f94ab5__32146.1669791037.jpg?c=2)
K&N RP-4970 - Round Tapered Universal Air Filter 4 inch Flange 5 3/8 inch Base 4 inch Top 7 inch Height - CSPRacing
K&N Universal Round Clamp-On Air Filter 2in. Offset Flange / 5-1/8in. OD / 2in. Height - RC-2400 - Armageddon Turbo & Performance
K&N Rubber Round Tapered Angled Air Filter 2.5in Flng ID 5.25in Bs OD 2.5in Tp OD 5.75in H - RU-5006 - Armageddon Turbo & Performance
![K&N® RU-1030 - Power Sport Round Straight Red Air Filter (1.75" F x 3.5" OD x 4.5" H) - POWERSPORTSiD.com K&N® RU-1030 - Power Sport Round Straight Red Air Filter (1.75" F x 3.5" OD x 4.5" H) - POWERSPORTSiD.com](https://ic.powersportsid.com/kn/air-filters/ru-1030_1.jpg)
K&N® RU-1030 - Power Sport Round Straight Red Air Filter (1.75" F x 3.5" OD x 4.5" H) - POWERSPORTSiD.com
![K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Replacement Air Filter: Flange Diameter: 1.125 K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Replacement Air Filter: Flange Diameter: 1.125](https://m.media-amazon.com/images/I/616P8Wuug8L.jpg)