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The lowest price for K&N Universal X-Stream Clamp-On Air Filter RX-4950 right now is $80.99 at Webike Japan, compared across 15 retailers.
The all-time low was $80.99 on 13 Oct 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 13 Oct 2026.
K&N Universal X-Stream Clamp-On Air Filter RX-4950
Last updated at 13/10/2026 10:24:32
K&N RX-4950 Universal X-Stream 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)
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!
Custom Air Filter Round Straight Type
Delivery $50.88
K&N Round Tapered X-Stream Clamp-On Air Filter
Delivery between Fri – Mon $8.80
K&N RX-4950 X-Stream Clamp-On Air Filter 2.5" Flange
Delivery between 14–26 Oct $10.95
K&N 2.5" EXTREME POD FILTER - KNRX-4950
Delivery $16.05
K&N 2.5" Extreme Pod Filter KNRX-4950 | K&N Filters
Free delivery
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!
K&N Filters RX-4950 Universal X-Stream Clamp-On Air Filter - 2.5" ID x 6" Base OD x 5" Top OD x 5.5"
Delivery between 15–21 Oct $28.99
K&N Filters RX-4950 Universal X-Stream Clamp-On Air Filter - 2.5" ID x 6" Base OD x 5" Top OD x 5.5"
Delivery by Thu $19.99
K&N X-Stream Universal Clamp On Filter 76 mm 141 mm H x 152 mm Base OD x 127 mm
Free delivery
K&N Universal X-Stream Clamp-On Air Filter - RX-4950
| Filter Type | Washable, Reusable |
| Airflow | Low restriction, Higher air flow |
| Filtration Efficiency | Up To 99% Efficiency |
| Component Material | Cotton Gauze, Rubber |
| Included Components | Air filter |
K&N RX-4950 Universal X-Stream 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)
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!
Custom Air Filter Round Straight Type
Delivery $50.88
K&N Round Tapered X-Stream Clamp-On Air Filter
Delivery between Fri – Mon $8.80
K&N RX-4950 X-Stream Clamp-On Air Filter 2.5" Flange
Delivery between 14–26 Oct $10.95
K&N 2.5" EXTREME POD FILTER - KNRX-4950
Delivery $16.05
| Filter Type | Washable, Reusable |
| Airflow | Low restriction, Higher air flow |
| Filtration Efficiency | Up To 99% Efficiency |
| Component Material | Cotton Gauze, Rubber |
| Included Components | Air filter |
