K&N Universal Rubber Air Filter 3.5" Flange / 4.6" Base / 5.5" Height

SKU: KNNRU-3550
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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.

Unleash Peak Performance with K&N Universal Rubber Air Filters

The K&N Universal Rubber Air Filter (Model RU-3550) is engineered to deliver superior airflow and filtration for a vast array of applications. Whether you're outfitting a racing machine, a generator, a snowmobile, or a tractor, K&N's universal filters provide the performance and durability you demand. This filter features a 3.5-inch flange diameter, a 4.6-inch base diameter, and stands 5.5 inches tall, ensuring a versatile fit for many intake systems.

Engineered for Performance and Longevity:

  • High-Flow Filtration: Designed to increase horsepower and acceleration by allowing more air into the engine.
  • Durable Construction: Features a pliable rubber flange that absorbs vibration and ensures a secure fit, even with slight stretching for in-between sizes.
  • Washable and Reusable: Offers a cost-effective and environmentally friendly solution, as the filter can be cleaned and reused multiple times.
  • Versatile Application: Ideal for racing vehicles, RC cars, generators, snowmobiles, tractors, and more, accommodating various angles and offset diameters.
  • Premium Materials: Constructed with K&N's renowned quality for exceptional performance and reliability.

Maximize Your Engine's Potential

K&N Universal Air Filters are the go-to choice for enthusiasts seeking to optimize their engine's performance. The robust construction and high-flow design ensure your equipment receives clean, unrestricted air, leading to improved efficiency and power output. The unique, stretchable rubber flange allows for a secure attachment on various intake setups, making it a truly universal solution.

Invest in the quality and performance of K&N Engineering. This RU-3550 universal air filter is a smart choice for maintaining and enhancing your equipment's performance. Find this and other premium filtration 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.

Unleash Peak Performance with K&N Universal Rubber Air Filters

The K&N Universal Rubber Air Filter (Model RU-3550) is engineered to deliver superior airflow and filtration for a vast array of applications. Whether you're outfitting a racing machine, a generator, a snowmobile, or a tractor, K&N's universal filters provide the performance and durability you demand. This filter features a 3.5-inch flange diameter, a 4.6-inch base diameter, and stands 5.5 inches tall, ensuring a versatile fit for many intake systems.

Engineered for Performance and Longevity:

  • High-Flow Filtration: Designed to increase horsepower and acceleration by allowing more air into the engine.
  • Durable Construction: Features a pliable rubber flange that absorbs vibration and ensures a secure fit, even with slight stretching for in-between sizes.
  • Washable and Reusable: Offers a cost-effective and environmentally friendly solution, as the filter can be cleaned and reused multiple times.
  • Versatile Application: Ideal for racing vehicles, RC cars, generators, snowmobiles, tractors, and more, accommodating various angles and offset diameters.
  • Premium Materials: Constructed with K&N's renowned quality for exceptional performance and reliability.

Maximize Your Engine's Potential

K&N Universal Air Filters are the go-to choice for enthusiasts seeking to optimize their engine's performance. The robust construction and high-flow design ensure your equipment receives clean, unrestricted air, leading to improved efficiency and power output. The unique, stretchable rubber flange allows for a secure attachment on various intake setups, making it a truly universal solution.

Invest in the quality and performance of K&N Engineering. This RU-3550 universal air filter is a smart choice for maintaining and enhancing your equipment's performance. Find this and other premium filtration 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.

Unleash Peak Performance with K&N Universal Rubber Air Filters

The K&N Universal Rubber Air Filter (Model RU-3550) is engineered to deliver superior airflow and filtration for a vast array of applications. Whether you're outfitting a racing machine, a generator, a snowmobile, or a tractor, K&N's universal filters provide the performance and durability you demand. This filter features a 3.5-inch flange diameter, a 4.6-inch base diameter, and stands 5.5 inches tall, ensuring a versatile fit for many intake systems.

Engineered for Performance and Longevity:

  • High-Flow Filtration: Designed to increase horsepower and acceleration by allowing more air into the engine.
  • Durable Construction: Features a pliable rubber flange that absorbs vibration and ensures a secure fit, even with slight stretching for in-between sizes.
  • Washable and Reusable: Offers a cost-effective and environmentally friendly solution, as the filter can be cleaned and reused multiple times.
  • Versatile Application: Ideal for racing vehicles, RC cars, generators, snowmobiles, tractors, and more, accommodating various angles and offset diameters.
  • Premium Materials: Constructed with K&N's renowned quality for exceptional performance and reliability.

Maximize Your Engine's Potential

K&N Universal Air Filters are the go-to choice for enthusiasts seeking to optimize their engine's performance. The robust construction and high-flow design ensure your equipment receives clean, unrestricted air, leading to improved efficiency and power output. The unique, stretchable rubber flange allows for a secure attachment on various intake setups, making it a truly universal solution.

Invest in the quality and performance of K&N Engineering. This RU-3550 universal air filter is a smart choice for maintaining and enhancing your equipment's performance. Find this and other premium filtration solutions at GGCRACING.

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