K&N Engineering

K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler

K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler
K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler
K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler
K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler
K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler
K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler
K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler
K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler
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K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch CouplerK&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch CouplerK&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch CouplerK&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch CouplerK&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch CouplerK&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch CouplerK&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch CouplerK&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler
K&N Engineering

K&N Universal Air Filter Adapter - 6 Inch Filter, 3.5 Inch Coupler

SKU: KNN21512-1
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About K&N Engineering K&N has been the world's leader in ...Read More

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$25.99
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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
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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 Adapter - 6 Inch Filter, 3.5 Inch Coupler

Expand the possibilities of your custom air intake system with the K&N Universal Adapter. This versatile component is designed to facilitate the installation of K&N's high-flow air filters onto a wider range of applications. Featuring a 6-inch filter connection and a 3.5-inch coupler, this adapter provides a secure and reliable mounting point for various intake setups.

Key Features and Benefits:

  • Universal Fitment: Enables the use of K&N's renowned air filters on custom or modified intake systems.
  • Specific Dimensions: Designed to connect a 6-inch diameter air filter to a 3.5-inch diameter intake tube or coupler.
  • Durable Construction: Built with quality materials to ensure a strong and lasting connection within your air intake system.
  • Enhanced Airflow Potential: Allows you to pair your existing setup with a K&N filter for improved air intake efficiency.
  • Easy Integration: Simplifies the process of upgrading or customizing your vehicle's air intake components.

Whether you're building a unique air intake system or adapting an existing one, the K&N Universal Adapter offers a practical solution. It ensures compatibility and a secure fit, allowing you to benefit from K&N's legacy of performance air filtration. This adapter is ideal for custom builds, engine swaps, or performance modifications where standard components may not suffice. Find this essential adapter and more performance parts 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 Adapter - 6 Inch Filter, 3.5 Inch Coupler

Expand the possibilities of your custom air intake system with the K&N Universal Adapter. This versatile component is designed to facilitate the installation of K&N's high-flow air filters onto a wider range of applications. Featuring a 6-inch filter connection and a 3.5-inch coupler, this adapter provides a secure and reliable mounting point for various intake setups.

Key Features and Benefits:

  • Universal Fitment: Enables the use of K&N's renowned air filters on custom or modified intake systems.
  • Specific Dimensions: Designed to connect a 6-inch diameter air filter to a 3.5-inch diameter intake tube or coupler.
  • Durable Construction: Built with quality materials to ensure a strong and lasting connection within your air intake system.
  • Enhanced Airflow Potential: Allows you to pair your existing setup with a K&N filter for improved air intake efficiency.
  • Easy Integration: Simplifies the process of upgrading or customizing your vehicle's air intake components.

Whether you're building a unique air intake system or adapting an existing one, the K&N Universal Adapter offers a practical solution. It ensures compatibility and a secure fit, allowing you to benefit from K&N's legacy of performance air filtration. This adapter is ideal for custom builds, engine swaps, or performance modifications where standard components may not suffice. Find this essential adapter and more performance parts 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 Adapter - 6 Inch Filter, 3.5 Inch Coupler

Expand the possibilities of your custom air intake system with the K&N Universal Adapter. This versatile component is designed to facilitate the installation of K&N's high-flow air filters onto a wider range of applications. Featuring a 6-inch filter connection and a 3.5-inch coupler, this adapter provides a secure and reliable mounting point for various intake setups.

Key Features and Benefits:

  • Universal Fitment: Enables the use of K&N's renowned air filters on custom or modified intake systems.
  • Specific Dimensions: Designed to connect a 6-inch diameter air filter to a 3.5-inch diameter intake tube or coupler.
  • Durable Construction: Built with quality materials to ensure a strong and lasting connection within your air intake system.
  • Enhanced Airflow Potential: Allows you to pair your existing setup with a K&N filter for improved air intake efficiency.
  • Easy Integration: Simplifies the process of upgrading or customizing your vehicle's air intake components.

Whether you're building a unique air intake system or adapting an existing one, the K&N Universal Adapter offers a practical solution. It ensures compatibility and a secure fit, allowing you to benefit from K&N's legacy of performance air filtration. This adapter is ideal for custom builds, engine swaps, or performance modifications where standard components may not suffice. Find this essential adapter and more performance parts at GGCRACING.

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