K&N Universal Round Straight Air Filter 4" Flange ID x 7" OD x 6" Height — High-Flow Performance

SKU: KNNRD-1450
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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$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.

Optimize Air Intake with K&N Universal Round Straight Air Filters

Elevate your engine's performance with the K&N Universal Round Straight Air Filter, featuring a substantial 4-inch flange ID, 7-inch outer diameter, and a 6-inch height. This high-performance air filter is meticulously designed for a wide array of applications, from enhancing the power of racing vehicles to providing reliable filtration for industrial equipment like generators and snowmobiles. K&N's renowned engineering ensures exceptional airflow, leading to improved horsepower and torque, while simultaneously offering superior protection against harmful airborne contaminants.

Durable, Adaptable, and Reusable Filtration

Constructed with ultra-strong molded pliable rubber flanges, this K&N universal air filter guarantees a secure and vibration-resistant attachment to your intake system. The inherent flexibility of these flanges allows for a slight stretch of up to 1/16 of an inch (1.5mm), accommodating minor variations in intake pipe sizes for a perfect fit. A key benefit of K&N filters is their washable and reusable design, providing long-term value and consistent high-level performance. Reduce waste and save money with a filter that's built to last. Discover the full range of K&N filters 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.

Optimize Air Intake with K&N Universal Round Straight Air Filters

Elevate your engine's performance with the K&N Universal Round Straight Air Filter, featuring a substantial 4-inch flange ID, 7-inch outer diameter, and a 6-inch height. This high-performance air filter is meticulously designed for a wide array of applications, from enhancing the power of racing vehicles to providing reliable filtration for industrial equipment like generators and snowmobiles. K&N's renowned engineering ensures exceptional airflow, leading to improved horsepower and torque, while simultaneously offering superior protection against harmful airborne contaminants.

Durable, Adaptable, and Reusable Filtration

Constructed with ultra-strong molded pliable rubber flanges, this K&N universal air filter guarantees a secure and vibration-resistant attachment to your intake system. The inherent flexibility of these flanges allows for a slight stretch of up to 1/16 of an inch (1.5mm), accommodating minor variations in intake pipe sizes for a perfect fit. A key benefit of K&N filters is their washable and reusable design, providing long-term value and consistent high-level performance. Reduce waste and save money with a filter that's built to last. Discover the full range of K&N filters 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.

Optimize Air Intake with K&N Universal Round Straight Air Filters

Elevate your engine's performance with the K&N Universal Round Straight Air Filter, featuring a substantial 4-inch flange ID, 7-inch outer diameter, and a 6-inch height. This high-performance air filter is meticulously designed for a wide array of applications, from enhancing the power of racing vehicles to providing reliable filtration for industrial equipment like generators and snowmobiles. K&N's renowned engineering ensures exceptional airflow, leading to improved horsepower and torque, while simultaneously offering superior protection against harmful airborne contaminants.

Durable, Adaptable, and Reusable Filtration

Constructed with ultra-strong molded pliable rubber flanges, this K&N universal air filter guarantees a secure and vibration-resistant attachment to your intake system. The inherent flexibility of these flanges allows for a slight stretch of up to 1/16 of an inch (1.5mm), accommodating minor variations in intake pipe sizes for a perfect fit. A key benefit of K&N filters is their washable and reusable design, providing long-term value and consistent high-level performance. Reduce waste and save money with a filter that's built to last. Discover the full range of K&N filters at GGCRACING.

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