K&N Clamp-On Round Tapered Air FilterK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable.
K&N Clamp-On Round Tapered Air FilterK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable.
K&N RU-4950 Universal Clamp-On Round Tapered Air Filter
K&N Clamp-On Round Tapered Air FilterK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable.
K&N Clamp-On Round Tapered Air FilterK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable.
in 17 offers
The lowest price for K&N RU-4950 Universal Clamp-On Round Tapered Air Filter right now is $44.75 at Outlaw Speed Shop, compared across 17 retailers.
The all-time low was $44.50 on 3 Aug 2026 — today's price is 1% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 20 Oct 2026.
Last updated at 20/10/2026 00:58:04
K&N RU-4950 Universal Clamp-On Air Filter: Round Tapered; 2.5 in (64 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 5 in (127 mm) Top
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Knru-4950 - K&N 2-1/2" (64MM) Clamp on Tapered Filter Universal
RU-4950 K&N Universal Clamp-On Air Filter
Delivery between 23 Oct – 2 Nov $9.95
K&N RU-4950 Universal Clamp-On Air filter 2.5" Flange
Delivery between 20–30 Oct $10.95
K&N Filters RU-4950 Universal Clamp-On Air Filter - 2.5" ID x 6" Base OD x 5" Top OD x 6" H
Delivery between 21–27 Oct $28.99
K&N Filters RU-4950 Universal Clamp-On Air Filter - 2.5" ID x 6" Base OD x 5" Top OD x 6" H
Next-day delivery $19.99
K&N Engineering K&N Filter Universal Rubber Filter 2 1/2 inch Flange 6 inch Base 5 inch Top 5 1/2 inch Height RU-4950
Delivery between Thu – Sun $143.23
K AND N ENGINEERING Clamp-On Air Filter RU-4950
Delivery between Thu – Sat $22.90
K&N - Universal Filter Universal Rubber Filter 2 1/2 inch Flange 6 inch Base 5 inch Top 5 1/2 inch Height | Dirty Garage
Free delivery
K&N Clamp-On Round Tapered Air Filter
Delivery $8.80
| Airflow | High-Flow |
| Horsepower Gain | Designed to increase horsepower |
| Performance Increase | Designed to increase acceleration, Improve overall engine performance |
| Filtration Efficiency | Up To 99% Efficiency |
| Component Material | Molded pliable rubber (flanges) |
K&N RU-4950 Universal Clamp-On Air Filter: Round Tapered; 2.5 in (64 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 5 in (127 mm) Top
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Knru-4950 - K&N 2-1/2" (64MM) Clamp on Tapered Filter Universal
RU-4950 K&N Universal Clamp-On Air Filter
Delivery between 23 Oct – 2 Nov $9.95
K&N RU-4950 Universal Clamp-On Air filter 2.5" Flange
Delivery between 20–30 Oct $10.95
K&N Filters RU-4950 Universal Clamp-On Air Filter - 2.5" ID x 6" Base OD x 5" Top OD x 6" H
Delivery between 21–27 Oct $28.99
| Airflow | High-Flow |
| Horsepower Gain | Designed to increase horsepower |
| Performance Increase | Designed to increase acceleration, Improve overall engine performance |
| Filtration Efficiency | Up To 99% Efficiency |
| Component Material | Molded pliable rubber (flanges) |
