K&N Universal Round Tapered Air Filter - 4in Flange ID x 8in Base OD x 6.625in Top OD x 8in H

SKU: KNNRU-5171HBK
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Sale price$89.99
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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.

K&N Universal Black Round Tapered Air Filter - RU-5171HBK

Experience exceptional airflow and filtration with the K&N Universal Black Round Tapered Air Filter, part number RU-5171HBK. This filter is constructed with K&N's Dryflow oil-free synthetic media, offering a low-restriction, high-efficiency filtration solution for a variety of applications. Its black finish adds a sleek look to any engine bay.

Advanced Filtration and Design:

  • Dryflow Synthetic Media: Utilizes oil-free synthetic media that captures contaminants effectively while allowing maximum airflow to the engine.
  • Round Tapered Shape: The conical, tapered design provides a large surface area for filtration and allows for placement in tight engine compartments.
  • Washable and Reusable: This filter is designed for longevity and can be easily cleaned and reconditioned using K&N's cleaning products, making it an economical and eco-friendly choice.
  • Durable Construction: Features a pliable rubber flange with a 4-inch inner diameter for a secure, vibration-dampening fit on your intake piping.
  • Generous Dimensions: With an 8-inch base outer diameter, 6.625-inch top outer diameter, and an 8-inch height, this filter is suitable for applications requiring substantial filter volume.

Vehicle Compatibility:

This universal air filter is specifically suited for applications requiring its unique dimensions and clamp-on design, including:

  • Dodge Ram 2500 (2003-2009)
  • Dodge Ram 3500 (2003-2009)
  • Various custom builds and performance applications

Ensure optimal engine performance and air quality with the K&N Universal Black Air Filter. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003 Dodge Ram 2500 Laramie
2003-2004 Dodge Ram 2500 SLT
2003-2004 Dodge Ram 2500 ST
2005-2009 Dodge Ram 2500 Laramie
2006-2007 Dodge Ram 2500 Sport
2006-2009 Dodge Ram 2500 SLT
2006-2009 Dodge Ram 2500 ST
2008-2009 Dodge Ram 2500 SXT
2003-2009 Dodge Ram 3500 Laramie
2003-2009 Dodge Ram 3500 SLT
2003-2009 Dodge Ram 3500 ST
2006-2007 Dodge Ram 3500 Sport
2007 Dodge Ram 3500 TRX4
2008-2009 Dodge Ram 3500 SXT

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.

K&N Universal Black Round Tapered Air Filter - RU-5171HBK

Experience exceptional airflow and filtration with the K&N Universal Black Round Tapered Air Filter, part number RU-5171HBK. This filter is constructed with K&N's Dryflow oil-free synthetic media, offering a low-restriction, high-efficiency filtration solution for a variety of applications. Its black finish adds a sleek look to any engine bay.

Advanced Filtration and Design:

  • Dryflow Synthetic Media: Utilizes oil-free synthetic media that captures contaminants effectively while allowing maximum airflow to the engine.
  • Round Tapered Shape: The conical, tapered design provides a large surface area for filtration and allows for placement in tight engine compartments.
  • Washable and Reusable: This filter is designed for longevity and can be easily cleaned and reconditioned using K&N's cleaning products, making it an economical and eco-friendly choice.
  • Durable Construction: Features a pliable rubber flange with a 4-inch inner diameter for a secure, vibration-dampening fit on your intake piping.
  • Generous Dimensions: With an 8-inch base outer diameter, 6.625-inch top outer diameter, and an 8-inch height, this filter is suitable for applications requiring substantial filter volume.

Vehicle Compatibility:

This universal air filter is specifically suited for applications requiring its unique dimensions and clamp-on design, including:

  • Dodge Ram 2500 (2003-2009)
  • Dodge Ram 3500 (2003-2009)
  • Various custom builds and performance applications

Ensure optimal engine performance and air quality with the K&N Universal Black Air Filter. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003 Dodge Ram 2500 Laramie
2003-2004 Dodge Ram 2500 SLT
2003-2004 Dodge Ram 2500 ST
2005-2009 Dodge Ram 2500 Laramie
2006-2007 Dodge Ram 2500 Sport
2006-2009 Dodge Ram 2500 SLT
2006-2009 Dodge Ram 2500 ST
2008-2009 Dodge Ram 2500 SXT
2003-2009 Dodge Ram 3500 Laramie
2003-2009 Dodge Ram 3500 SLT
2003-2009 Dodge Ram 3500 ST
2006-2007 Dodge Ram 3500 Sport
2007 Dodge Ram 3500 TRX4
2008-2009 Dodge Ram 3500 SXT

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.

K&N Universal Black Round Tapered Air Filter - RU-5171HBK

Experience exceptional airflow and filtration with the K&N Universal Black Round Tapered Air Filter, part number RU-5171HBK. This filter is constructed with K&N's Dryflow oil-free synthetic media, offering a low-restriction, high-efficiency filtration solution for a variety of applications. Its black finish adds a sleek look to any engine bay.

Advanced Filtration and Design:

  • Dryflow Synthetic Media: Utilizes oil-free synthetic media that captures contaminants effectively while allowing maximum airflow to the engine.
  • Round Tapered Shape: The conical, tapered design provides a large surface area for filtration and allows for placement in tight engine compartments.
  • Washable and Reusable: This filter is designed for longevity and can be easily cleaned and reconditioned using K&N's cleaning products, making it an economical and eco-friendly choice.
  • Durable Construction: Features a pliable rubber flange with a 4-inch inner diameter for a secure, vibration-dampening fit on your intake piping.
  • Generous Dimensions: With an 8-inch base outer diameter, 6.625-inch top outer diameter, and an 8-inch height, this filter is suitable for applications requiring substantial filter volume.

Vehicle Compatibility:

This universal air filter is specifically suited for applications requiring its unique dimensions and clamp-on design, including:

  • Dodge Ram 2500 (2003-2009)
  • Dodge Ram 3500 (2003-2009)
  • Various custom builds and performance applications

Ensure optimal engine performance and air quality with the K&N Universal Black Air Filter. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003 Dodge Ram 2500 Laramie
2003-2004 Dodge Ram 2500 SLT
2003-2004 Dodge Ram 2500 ST
2005-2009 Dodge Ram 2500 Laramie
2006-2007 Dodge Ram 2500 Sport
2006-2009 Dodge Ram 2500 SLT
2006-2009 Dodge Ram 2500 ST
2008-2009 Dodge Ram 2500 SXT
2003-2009 Dodge Ram 3500 Laramie
2003-2009 Dodge Ram 3500 SLT
2003-2009 Dodge Ram 3500 ST
2006-2007 Dodge Ram 3500 Sport
2007 Dodge Ram 3500 TRX4
2008-2009 Dodge Ram 3500 SXT

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