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SKU: RU-4950 | UPC: 024844103307
K&N RU-4950 Universal Clamp-On Air Filter 2 1/2 inch Flange 6 inch Base 5 inch Top 5 1/2 inch Height Fits 2007-2012 Ford Focus Mitsubishi Lancer
K&N RU-4950 is a universal clamp-on air filter engineered for racing vehicles generators snowmobiles tractors and more with a 2.5 inch centered rubber flange 6 inch base 5 inch top and 5.5 inch height. It fits 2007-2009 Ford Focus models and 2009-2012 Mitsubishi Lancer variants via clamp-on installation. Pre-oiled cotton gauze media increases airflow for added horsepower acceleration and engine performance while trapping dirt.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks harmful contaminants for long engine life.
- Clean Every 5 Years: Washable filter needs cleaning every 75000 miles under normal highway driving or 5 years at 15000 miles per year.
- Easy Installation: Pre-oiled and ready to clamp on for quick performance gains as a cost-effective upgrade.
- Engineered Power: State-of-the-art media boosts horsepower acceleration and overall engine response.
- Rugged Construction: Molded pliable rubber flanges absorb vibration stretch up to 1/16 inch and use durable materials built to last.
- Universal Fitment: Works regardless of intake angle or offset diameter across wide applications.
- Reduces Waste: Reusable design cuts landfill waste from billions of disposable filters.
Product Notes
- Flanges stretch slightly for precise fit on in-between sizes.
- Wash with K&N cleaning kit and re-oil for reuse.
- Ships in protective box with dimensions 7.76 x 7.48 x 6.77 inches.
Installation Notes
- Professional installation recommended.
- Clamp-on design requires 2.5 inch intake tube secure with hose clamp.
- Pre-oiled no additional hardware needed for most setups.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2009 | Ford | Focus | S |
| 2007-2009 | Ford | Focus | SE |
| 2009 | Ford | Focus | SEL |
| 2007-2009 | Ford | Focus | SES |
| 2009-2011 | Mitsubishi | Lancer | DE |
| 2009-2011 | Mitsubishi | Lancer | ES |
| 2011 | Mitsubishi | Lancer | ES Sportback |
| 2010-2011 | Mitsubishi | Lancer | Evolution GSR |
| 2010-2011 | Mitsubishi | Lancer | Evolution MR Touring |
| 2010 | Mitsubishi | Lancer | Evolution SE |
| 2012 | Mitsubishi | Lancer | GT |
| 2012 | Mitsubishi | Lancer | GT Sportback |
| 2010-2011 | Mitsubishi | Lancer | GTS |
| 2010-2011 | Mitsubishi | Lancer | GTS Sportback |
| 2010-2011 | Mitsubishi | Lancer | Ralliart Sportback |
| 2012 | Mitsubishi | Lancer | SE |
Why Choose K&N?
- Proven leader in high-flow air filtration for motorsports and street use.
- Precision manufacturing ensures reliable airflow and filtration.
- Lifetime durability with washable reusable design.
Frequently Asked Questions
-
Q: Does RU-4950 fit my 2008 Ford Focus SE intake?
A: Yes it clamps onto 2.5 inch tubes on 2007-2009 Ford Focus S SE SES SEL models for direct replacement. -
Q: What material is used in the filter media?
A: Premium cotton gauze in four layers treated with oil for trapping dirt while allowing maximum airflow. -
Q: What is the warranty and maintenance?
A: 1-Year Limited Warranty covers defects. Clean every 75000 miles with K&N kit.
Shipping &. Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Box measures 7.76 x 7.48 x 6.77 inches
- Weight: 1.6 pounds
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