K&N Universal Rubber Air Filter 2 7/16" Flange — 3 3/4" OD x 6" H

SKU: KNNRU-1770
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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 Rubber Air Filter: Performance & Versatility

Enhance the air intake system of your equipment with the K&N Universal Rubber Air Filter (RU-1770). Engineered for a wide range of applications, from racing vehicles and motorcycles to generators, snowmobiles, and tractors, this filter provides superior filtration and airflow. K&N is renowned for its commitment to performance and longevity, making this a smart choice for any application requiring clean air intake.

Superior Filtration and Airflow

This universal air filter is designed to capture contaminants effectively while allowing maximum airflow to your engine. The high-flow, washable, and reusable filter media ensures consistent performance and reduces the need for frequent replacements, offering excellent long-term value. Its robust construction guarantees durability even in demanding environments.

Flexible and Secure Fitment

The RU-1770 features a pliable rubber flange with a 2 7/16-inch inner diameter, designed for a secure and vibration-absorbent attachment. This unique flange can be stretched up to 1/16 of an inch, allowing it to fit snugly onto slightly varied intake sizes. The filter measures 3 3/4 inches in outer diameter and stands 6 inches tall, making it suitable for numerous custom installations where space and fitment are critical.

  • Universal fit for diverse applications (racing, automotive, industrial, recreational).
  • High-flow, washable, and reusable filter media.
  • Durable, pliable rubber flange for secure mounting.
  • Flange stretches to accommodate slight size variations.
  • Dimensions: 2 7/16" flange ID, 3 3/4" OD, 6" Height.
  • Provides excellent filtration and engine protection.

Invest in reliable performance and filtration with the K&N Universal Air Filter. Find this and other top-tier air management solutions 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 Rubber Air Filter: Performance & Versatility

Enhance the air intake system of your equipment with the K&N Universal Rubber Air Filter (RU-1770). Engineered for a wide range of applications, from racing vehicles and motorcycles to generators, snowmobiles, and tractors, this filter provides superior filtration and airflow. K&N is renowned for its commitment to performance and longevity, making this a smart choice for any application requiring clean air intake.

Superior Filtration and Airflow

This universal air filter is designed to capture contaminants effectively while allowing maximum airflow to your engine. The high-flow, washable, and reusable filter media ensures consistent performance and reduces the need for frequent replacements, offering excellent long-term value. Its robust construction guarantees durability even in demanding environments.

Flexible and Secure Fitment

The RU-1770 features a pliable rubber flange with a 2 7/16-inch inner diameter, designed for a secure and vibration-absorbent attachment. This unique flange can be stretched up to 1/16 of an inch, allowing it to fit snugly onto slightly varied intake sizes. The filter measures 3 3/4 inches in outer diameter and stands 6 inches tall, making it suitable for numerous custom installations where space and fitment are critical.

  • Universal fit for diverse applications (racing, automotive, industrial, recreational).
  • High-flow, washable, and reusable filter media.
  • Durable, pliable rubber flange for secure mounting.
  • Flange stretches to accommodate slight size variations.
  • Dimensions: 2 7/16" flange ID, 3 3/4" OD, 6" Height.
  • Provides excellent filtration and engine protection.

Invest in reliable performance and filtration with the K&N Universal Air Filter. Find this and other top-tier air management solutions 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 Rubber Air Filter: Performance & Versatility

Enhance the air intake system of your equipment with the K&N Universal Rubber Air Filter (RU-1770). Engineered for a wide range of applications, from racing vehicles and motorcycles to generators, snowmobiles, and tractors, this filter provides superior filtration and airflow. K&N is renowned for its commitment to performance and longevity, making this a smart choice for any application requiring clean air intake.

Superior Filtration and Airflow

This universal air filter is designed to capture contaminants effectively while allowing maximum airflow to your engine. The high-flow, washable, and reusable filter media ensures consistent performance and reduces the need for frequent replacements, offering excellent long-term value. Its robust construction guarantees durability even in demanding environments.

Flexible and Secure Fitment

The RU-1770 features a pliable rubber flange with a 2 7/16-inch inner diameter, designed for a secure and vibration-absorbent attachment. This unique flange can be stretched up to 1/16 of an inch, allowing it to fit snugly onto slightly varied intake sizes. The filter measures 3 3/4 inches in outer diameter and stands 6 inches tall, making it suitable for numerous custom installations where space and fitment are critical.

  • Universal fit for diverse applications (racing, automotive, industrial, recreational).
  • High-flow, washable, and reusable filter media.
  • Durable, pliable rubber flange for secure mounting.
  • Flange stretches to accommodate slight size variations.
  • Dimensions: 2 7/16" flange ID, 3 3/4" OD, 6" Height.
  • Provides excellent filtration and engine protection.

Invest in reliable performance and filtration with the K&N Universal Air Filter. Find this and other top-tier air management solutions at GGCRACING.

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