K&N Universal Air Filter RE-0850 — 4in Flange, 6in Base OD, 6in Height

SKU: KNNRE-0850
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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$64.99
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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.

Watch in action

K&N RE-0850 Universal Air Filter: Optimal Airflow & Filtration

Unleash your engine's potential with the K&N RE-0850 Universal Air Filter, expertly crafted to deliver exceptional airflow and filtration for a diverse range of applications. This high-performance filter features a 4-inch flange, a 6-inch base outer diameter, a 4-5/8-inch top outer diameter, and a compact 6-inch height. Its versatile design makes it suitable for racing vehicles, custom intake systems, and various other demanding setups where space might be a consideration.

Robust Construction & Reusable Design

The RE-0850 is built with K&N's signature ultra-strong molded pliable rubber flanges, engineered to absorb vibrations and provide a secure, flexible connection. These durable flanges can stretch up to 1/16 of an inch (1.5mm), allowing for minor adjustments in fitment. A key benefit of K&N universal air filters is their washable and reusable nature, providing a long-lasting, eco-friendly, and cost-effective solution. Regular cleaning and re-oiling maintain peak performance and extend the filter's lifespan significantly.

  • Flange ID: 4 inches
  • Base OD: 6 inches
  • Top OD: 4-5/8 inches
  • Height: 6 inches
  • Filter Type: Round Tapered Universal
  • Material: High-flow cotton gauze with durable rubber flanges
  • Advantages: Washable, reusable, superior filtration, increased airflow

Choose the K&N RE-0850 for reliable performance and engine protection, available now 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 RE-0850 Universal Air Filter: Optimal Airflow & Filtration

Unleash your engine's potential with the K&N RE-0850 Universal Air Filter, expertly crafted to deliver exceptional airflow and filtration for a diverse range of applications. This high-performance filter features a 4-inch flange, a 6-inch base outer diameter, a 4-5/8-inch top outer diameter, and a compact 6-inch height. Its versatile design makes it suitable for racing vehicles, custom intake systems, and various other demanding setups where space might be a consideration.

Robust Construction & Reusable Design

The RE-0850 is built with K&N's signature ultra-strong molded pliable rubber flanges, engineered to absorb vibrations and provide a secure, flexible connection. These durable flanges can stretch up to 1/16 of an inch (1.5mm), allowing for minor adjustments in fitment. A key benefit of K&N universal air filters is their washable and reusable nature, providing a long-lasting, eco-friendly, and cost-effective solution. Regular cleaning and re-oiling maintain peak performance and extend the filter's lifespan significantly.

  • Flange ID: 4 inches
  • Base OD: 6 inches
  • Top OD: 4-5/8 inches
  • Height: 6 inches
  • Filter Type: Round Tapered Universal
  • Material: High-flow cotton gauze with durable rubber flanges
  • Advantages: Washable, reusable, superior filtration, increased airflow

Choose the K&N RE-0850 for reliable performance and engine protection, available now 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 RE-0850 Universal Air Filter: Optimal Airflow & Filtration

Unleash your engine's potential with the K&N RE-0850 Universal Air Filter, expertly crafted to deliver exceptional airflow and filtration for a diverse range of applications. This high-performance filter features a 4-inch flange, a 6-inch base outer diameter, a 4-5/8-inch top outer diameter, and a compact 6-inch height. Its versatile design makes it suitable for racing vehicles, custom intake systems, and various other demanding setups where space might be a consideration.

Robust Construction & Reusable Design

The RE-0850 is built with K&N's signature ultra-strong molded pliable rubber flanges, engineered to absorb vibrations and provide a secure, flexible connection. These durable flanges can stretch up to 1/16 of an inch (1.5mm), allowing for minor adjustments in fitment. A key benefit of K&N universal air filters is their washable and reusable nature, providing a long-lasting, eco-friendly, and cost-effective solution. Regular cleaning and re-oiling maintain peak performance and extend the filter's lifespan significantly.

  • Flange ID: 4 inches
  • Base OD: 6 inches
  • Top OD: 4-5/8 inches
  • Height: 6 inches
  • Filter Type: Round Tapered Universal
  • Material: High-flow cotton gauze with durable rubber flanges
  • Advantages: Washable, reusable, superior filtration, increased airflow

Choose the K&N RE-0850 for reliable performance and engine protection, available now at GGCRACING.

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