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SKU: RX-4950 | UPC: 024844094735
K&N RX-4950 Universal X-Stream Clamp-On Air Filter 2.5in Flange ID / 6in Base OD / 5in Top OD / 5.5in Height for 2011-2016 Honda CR-Z
The K&N RX-4950 Universal X-Stream Clamp-On Air Filter boosts engine performance in 2011-2016 Honda CR-Z models with its innovative design featuring a pleated filter built into the top for increased air flow and filtration area. This clamp-on filter uses a 2.5 inch inside diameter flange for secure installation on custom intake setups and delivers low restriction for unrestricted power gains. Racers and daily drivers count on its durable construction and extended service intervals in demanding conditions.
Key Features
- X-Stream Top Design: Includes a pleated filter within the top that adds more media surface area for higher air flow rates and longer intervals between cleaning
- Clamp-On Flange: 2.5 inch ID molded rubber flange stretches up to 1/16 inch to fit varying sizes with vibration-absorbing pliability for secure attachment
- Low Restriction Flow: High-flow cotton gauze media pulls in more air while trapping dirt and debris to protect engines during racing or street use
- Precise Dimensions: 6 inch base OD 5 inch top OD and 5.5 inch height fit universal applications including Honda CR-Z intakes without modifications
- Washable Reusable Media: Clean with K&N service kit and reuse indefinitely reducing long-term costs compared to disposable filters
Product Notes
- Verify intake tube diameter matches 2.5 inch flange before installation
- Clean every 50,000 miles or sooner in dusty conditions using K&N oil and cleaner
- Packaged in protective box measuring 8.25 x 8.13 x 6.75 inches
Installation Notes
- Professional installation recommended.
- Slide flange over 2.5 inch intake tube and secure with provided or standard hose clamp
- Compatible with most aftermarket cold air intake systems and stock modified setups
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2015 | Honda | CR-Z | Base |
| 2011-2016 | Honda | CR-Z | EX |
| 2016 | Honda | CR-Z | EX-L |
| 2016 | Honda | CR-Z | LX |
Why Choose K&N?
- Over 60 years of air filter engineering for automotive and racing applications
- Cotton gauze media proven to flow 50% more air than paper filters while protecting engines
- Made in USA with million-mile limited warranty on washable elements
Frequently Asked Questions
-
Q: Will the RX-4950 fit my 2013 Honda CR-Z EX?
A: Yes it clamps onto 2.5 inch intake tubes on 2011-2016 CR-Z EX Base EX-L and LX models for direct compatibility -
Q: What material is used in this filter?
A: Four-ply cotton gauze oiled media with wire-backed pleats for strength and high dirt capacity in the base and top sections -
Q: What is the warranty and maintenance?
A: Lifetime limited warranty covers defects. Wash and re-oil every 30,000 to 100,000 miles based on driving conditions
Shipping &. Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Ships in 8.25 x 8.13 x 6.75 inch cardboard box
- Weight: 1.2 lbs
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