K&N Custom Air Filter Round — 4.5in ID / 5.875in OD / 1.75in H

SKU: KNNE-3180
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K&N E-3180 Custom High-Flow Air Filter for Classic Vehicles Classic ...Read More

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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

K&N E-3180 Custom High-Flow Air Filter for Classic Vehicles

Classic Performance for Vintage Rides

The K&N E-3180 is a custom air filter designed to bring K&N's legendary performance and filtration capabilities to classic vehicles and custom builds. Featuring K&N's signature oiled cotton gauze media, this filter ensures maximum airflow while effectively trapping airborne contaminants, contributing to improved engine efficiency and power. Its washable and reusable nature makes it an economical and sustainable choice for vintage car enthusiasts and customizers.

Reliable Filtration and Lasting Durability

Engineered for longevity, the K&N E-3180 provides dependable engine protection throughout the lifespan of your classic vehicle. It is backed by K&N's No-Hassle Lifetime Limited Warranty, a testament to the brand's unwavering commitment to quality and durability. The layered, oiled cotton media is specifically designed to capture fine particles, safeguarding your engine's internal components from wear and tear. This custom filter is an excellent choice for vintage carburetors and custom intake systems where specific dimensions are required.

Convenient Maintenance for Vintage Engines

Maintaining the K&N E-3180 is straightforward. Like all K&N filters, it can be easily cleaned and re-oiled using K&N's Recharger kits, allowing for multiple uses without compromising filtration efficiency or airflow. This significantly reduces the need for frequent replacements, offering long-term cost savings. The specific dimensions of this filter make it suitable for a variety of classic applications, providing a high-performance filtration solution where standard filters may not fit.

  • Part Number: E-3180
  • Type: Custom Air Filter
  • Shape: Round
  • Inside Diameter (ID): 4.500 inches (114mm)
  • Outside Diameter (OD): 5.875 inches (149mm)
  • Height: 1.750 inches (44mm)
  • Media: Oiled Cotton Gauze
  • Washable & Reusable: Yes
  • Warranty: Lifetime Limited Warranty
  • Benefit: Increased Airflow, Engine Protection, Reusable, Classic Fitment

Give your classic vehicle the performance upgrade it deserves with the K&N E-3180. Available now at GGCRACING!

Product Details

Product Description
Part Numbers
Sizing & Fit

K&N E-3180 Custom High-Flow Air Filter for Classic Vehicles

Classic Performance for Vintage Rides

The K&N E-3180 is a custom air filter designed to bring K&N's legendary performance and filtration capabilities to classic vehicles and custom builds. Featuring K&N's signature oiled cotton gauze media, this filter ensures maximum airflow while effectively trapping airborne contaminants, contributing to improved engine efficiency and power. Its washable and reusable nature makes it an economical and sustainable choice for vintage car enthusiasts and customizers.

Reliable Filtration and Lasting Durability

Engineered for longevity, the K&N E-3180 provides dependable engine protection throughout the lifespan of your classic vehicle. It is backed by K&N's No-Hassle Lifetime Limited Warranty, a testament to the brand's unwavering commitment to quality and durability. The layered, oiled cotton media is specifically designed to capture fine particles, safeguarding your engine's internal components from wear and tear. This custom filter is an excellent choice for vintage carburetors and custom intake systems where specific dimensions are required.

Convenient Maintenance for Vintage Engines

Maintaining the K&N E-3180 is straightforward. Like all K&N filters, it can be easily cleaned and re-oiled using K&N's Recharger kits, allowing for multiple uses without compromising filtration efficiency or airflow. This significantly reduces the need for frequent replacements, offering long-term cost savings. The specific dimensions of this filter make it suitable for a variety of classic applications, providing a high-performance filtration solution where standard filters may not fit.

  • Part Number: E-3180
  • Type: Custom Air Filter
  • Shape: Round
  • Inside Diameter (ID): 4.500 inches (114mm)
  • Outside Diameter (OD): 5.875 inches (149mm)
  • Height: 1.750 inches (44mm)
  • Media: Oiled Cotton Gauze
  • Washable & Reusable: Yes
  • Warranty: Lifetime Limited Warranty
  • Benefit: Increased Airflow, Engine Protection, Reusable, Classic Fitment

Give your classic vehicle the performance upgrade it deserves with the K&N E-3180. Available now at GGCRACING!

Product Details

Product Description

K&N E-3180 Custom High-Flow Air Filter for Classic Vehicles

Classic Performance for Vintage Rides

The K&N E-3180 is a custom air filter designed to bring K&N's legendary performance and filtration capabilities to classic vehicles and custom builds. Featuring K&N's signature oiled cotton gauze media, this filter ensures maximum airflow while effectively trapping airborne contaminants, contributing to improved engine efficiency and power. Its washable and reusable nature makes it an economical and sustainable choice for vintage car enthusiasts and customizers.

Reliable Filtration and Lasting Durability

Engineered for longevity, the K&N E-3180 provides dependable engine protection throughout the lifespan of your classic vehicle. It is backed by K&N's No-Hassle Lifetime Limited Warranty, a testament to the brand's unwavering commitment to quality and durability. The layered, oiled cotton media is specifically designed to capture fine particles, safeguarding your engine's internal components from wear and tear. This custom filter is an excellent choice for vintage carburetors and custom intake systems where specific dimensions are required.

Convenient Maintenance for Vintage Engines

Maintaining the K&N E-3180 is straightforward. Like all K&N filters, it can be easily cleaned and re-oiled using K&N's Recharger kits, allowing for multiple uses without compromising filtration efficiency or airflow. This significantly reduces the need for frequent replacements, offering long-term cost savings. The specific dimensions of this filter make it suitable for a variety of classic applications, providing a high-performance filtration solution where standard filters may not fit.

  • Part Number: E-3180
  • Type: Custom Air Filter
  • Shape: Round
  • Inside Diameter (ID): 4.500 inches (114mm)
  • Outside Diameter (OD): 5.875 inches (149mm)
  • Height: 1.750 inches (44mm)
  • Media: Oiled Cotton Gauze
  • Washable & Reusable: Yes
  • Warranty: Lifetime Limited Warranty
  • Benefit: Increased Airflow, Engine Protection, Reusable, Classic Fitment

Give your classic vehicle the performance upgrade it deserves with the K&N E-3180. Available now at GGCRACING!

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