K&N Universal Air Filter 4 Inch Diameter

SKU: KNNRU-2510
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About K&N Engineering K&N has been the world's leader in ...Read More

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Sale price$49.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N Universal Air Filter - 4 Inch Diameter

Discover the versatility and performance of K&N's Universal Air Filters. Engineered for a wide array of applications, from racing vehicles and generators to snowmobiles and tractors, these filters are designed to provide exceptional airflow and filtration. The 4-inch diameter makes it suitable for numerous custom setups and equipment where a standard filter won't fit.

Superior Performance and Durability:

  • High Airflow: Designed to allow a significant increase in airflow compared to standard filters, improving engine performance.
  • Excellent Filtration: Utilizes K&N's advanced filtration media to capture contaminants effectively, protecting your engine.
  • Washable & Reusable: Save money and reduce waste with a filter that can be cleaned and reused multiple times, offering long-term value.
  • Durable Construction: Features a pliable, molded rubber flange that ensures a secure fit and absorbs vibration. The flange can be stretched up to 1/16 inch for a precise fit.
  • Versatile Application: Ideal for custom builds, performance upgrades, and a wide range of equipment including cars, trucks, motorcycles, ATVs, and industrial machinery.

Technical Specifications:

  • Flange Diameter: 4 inches (nominal)
  • Filter Type: Universal
  • Material: High-flow filtration media
  • Maintenance: Washable and reusable

Whether you're building a custom project or upgrading existing equipment, the K&N Universal Air Filter (RU-2510) delivers the performance and reliability you expect. Find the best K&N air filters at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N Universal Air Filter - 4 Inch Diameter

Discover the versatility and performance of K&N's Universal Air Filters. Engineered for a wide array of applications, from racing vehicles and generators to snowmobiles and tractors, these filters are designed to provide exceptional airflow and filtration. The 4-inch diameter makes it suitable for numerous custom setups and equipment where a standard filter won't fit.

Superior Performance and Durability:

  • High Airflow: Designed to allow a significant increase in airflow compared to standard filters, improving engine performance.
  • Excellent Filtration: Utilizes K&N's advanced filtration media to capture contaminants effectively, protecting your engine.
  • Washable & Reusable: Save money and reduce waste with a filter that can be cleaned and reused multiple times, offering long-term value.
  • Durable Construction: Features a pliable, molded rubber flange that ensures a secure fit and absorbs vibration. The flange can be stretched up to 1/16 inch for a precise fit.
  • Versatile Application: Ideal for custom builds, performance upgrades, and a wide range of equipment including cars, trucks, motorcycles, ATVs, and industrial machinery.

Technical Specifications:

  • Flange Diameter: 4 inches (nominal)
  • Filter Type: Universal
  • Material: High-flow filtration media
  • Maintenance: Washable and reusable

Whether you're building a custom project or upgrading existing equipment, the K&N Universal Air Filter (RU-2510) delivers the performance and reliability you expect. Find the best K&N air filters at GGCRACING.

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

K&N Universal Air Filter - 4 Inch Diameter

Discover the versatility and performance of K&N's Universal Air Filters. Engineered for a wide array of applications, from racing vehicles and generators to snowmobiles and tractors, these filters are designed to provide exceptional airflow and filtration. The 4-inch diameter makes it suitable for numerous custom setups and equipment where a standard filter won't fit.

Superior Performance and Durability:

  • High Airflow: Designed to allow a significant increase in airflow compared to standard filters, improving engine performance.
  • Excellent Filtration: Utilizes K&N's advanced filtration media to capture contaminants effectively, protecting your engine.
  • Washable & Reusable: Save money and reduce waste with a filter that can be cleaned and reused multiple times, offering long-term value.
  • Durable Construction: Features a pliable, molded rubber flange that ensures a secure fit and absorbs vibration. The flange can be stretched up to 1/16 inch for a precise fit.
  • Versatile Application: Ideal for custom builds, performance upgrades, and a wide range of equipment including cars, trucks, motorcycles, ATVs, and industrial machinery.

Technical Specifications:

  • Flange Diameter: 4 inches (nominal)
  • Filter Type: Universal
  • Material: High-flow filtration media
  • Maintenance: Washable and reusable

Whether you're building a custom project or upgrading existing equipment, the K&N Universal Air Filter (RU-2510) delivers the performance and reliability you expect. Find the best K&N air filters at GGCRACING.

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