K&N RX-4950 Universal Air Filter – Red, Cotton Gauze, Washable, Direct Fit, Sold Individually
$134.39
K&N UNIVERSAL X-STREAM CLAMP-ON AIR FILTER
K&N Universal Clamp-on Air Filters are manufactured for a wide variety of applications and unique filtration needs. K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. These versatile filters are constructed with ultra-strong molded pliable rubber flanges that absorb vibration and allow for secure attachment. Available in round, tapered (cone-style), and oval designs, K&N offers thousands of clamp-on filters in a multitude of shapes and sizes that cater to many precise applications. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration.
- Engineered power: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration; clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%
- Easy installation: Pre-oiled and ready to drop into your factory air box; one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
- Saves money: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters
- Eco-friendly: Using a washable, reusable product helps reduce replacement waste; K&N filter will last longer than 10 disposable filters
- World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants
- Low-maintenance design: 50,000 miles before your first cleaning under normal highway driving conditions
- High quality: Made in America
- Race tested: The Official Air Filter of NASCAR; trusted on the racetrack—made for your vehicle
Started in 1969, K&N has garnered a reputation for engineering the world’s finest filtration products for cars, trucks, SUVs, motorcycles, race vehicles, commercial vehicles and anything in-between.
This Part Also Fits These Vehicles
| Vehicle Type | Submodel | Engine | Fitment Notes |
|---|
| Part | Universal Air Filter |
|---|---|
| Brand | K&N |
| Flange Inside Diameter | 2.5 in. |
| Recommended Use | Performance |
| Product Fit | Direct Fit |
| Product Type | Washable |
| Shape | Round Tapered |
| Material | Cotton Gauze |
| Color Finish | Red |
| Recommended Product | Air Filter Wrap – K33RX4990DL [Blue], K33RX4990DK [Black], K33RX4990DR [Red], K33RX4990DY [Yellow] |
| Warranty | 10-year or 1 million-mile K&N limited warranty |
| Quantity Sold | Sold Individually |
| Prop 65 Warning | |
| Specialty Part | Performance Part by JCW |












































































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