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Air Filters

Air Filters
Oil Filters

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  1. Replacement Air Filter - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $269.99
    SKU: KNF-E-0668
    • Add to cart for exclusive pricing
    • Air Filter Outlet Shape: Round
    • Diameter Outside (in.): OEM
    • Height (in.): 6.625
    • Overall Length (in.): NA
    • Shape: Unique
    • Cap Outside Diameter: N/A
    • Filter Style: Dry
    • Filter Material: Cotton Gauze
    • Diameter Inside (in.): OEM
    • Works With Original Equip. Mfg. Vehicle Electronics
    • High Air Flow With Exceptional Filtration
    • Washable And Reusable
    • Designed To Boost Horse Power And Acceleration
    • Will Not Void Vehicle Warranty
    • Lasts Up To 50000 Miles Before Cleaning
    • Million Mile Limited Warranty
    Learn More
  2. Replacement Air Filter - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $269.99
    SKU: KNF-E-0669
    • Add to cart for exclusive pricing
    • Air Filter Outlet Shape: Round
    • Diameter Outside (in.): OEM
    • Height (in.): 6.625
    • Overall Length (in.): NA
    • Shape: Unique
    • Cap Outside Diameter: N/A
    • Filter Style: Dry
    • Filter Material: Cotton Gauze
    • Diameter Inside (in.): OEM
    • High Air Flow With Exceptional Filtration
    • Designed To Boost Horse Power And Acceleration
    • Washable And Reusable
    • Lasts Up To 50000 Miles Before Cleaning
    • Million Mile Limited Warranty
    • Works With Original Equip. Mfg. Vehicle Electronics
    • Will Not Void Vehicle Warranty
    Learn More
  3. Replacement Air Filter - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $237.99
    SKU: KNF-E-0658
    • Add to cart for exclusive pricing
    • Works With Original Equip. Mfg. Vehicle Electronics
    • High Air Flow With Exceptional Filtration
    • Washable And Reusable
    • Will Not Void Vehicle Warranty
    • Designed To Boost Horse Power And Acceleration
    • Lasts Up To 50000 Miles Before Cleaning
    • Million Mile Limited Warranty
    Learn More
  4. Auto Racing Filter - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $203.79
    SKU: KNF-28-4135
    • Add to cart for exclusive pricing
    • Height (in.): 15.51
    • Overall Length (in.): NA
    • Shape: Unique
    • Width (in.): NA
    • Cap Outside Diameter: N/A
    • Filter Style: Dry
    • Filter Material: Cotton Gauze
    • Diameter Inside (in.): Harwood
    • Diameter Outside (in.): Harwood
    • Washable And Reusable
    • Long Lasting Performance
    • Protects Engine From Track Debris
    • Designed For Power
    • Made To Fit In Specific Scoop Design
    Learn More
  5. Auto Racing Filter - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $200.39
    SKU: KNF-28-4145
    • Add to cart for exclusive pricing
    • Height (in.): 15
    • Overall Length (in.): NA
    • Shape: Unique
    • Width (in.): NA
    • Cap Outside Diameter: N/A
    • Filter Style: Dry
    • Filter Material: Cotton Gauze
    • Diameter Inside (in.): Harwood
    • Diameter Outside (in.): Harwood
    • Washable And Reusable
    • Long Lasting Performance
    • Protects Engine From Track Debris
    • Designed For Power
    • Made To Fit In Specific Scoop Design
    Learn More
  6. Covered Assembly - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $202.99
    SKU: KNF-55-1001
    • Add to cart for exclusive pricing
    • Air Filter Outlet Shape: Round
    • Height (in.): 12.50
    • Overall Length (in.): NA
    • Shape: Round
    • Cap Outside Diameter: N/A
    • Filter Style: Dry
    • Replacement Filter: None
    • Filter Material: Cotton Gauze
    • Filter Color: Red
    • Top Style: Metal
    • Diameter Inside (in.): 3.75
    • Diameter Outside (in.): OEM
    • Designed For The UMP Air Box
    • Designed Increases Horse Power And Acceleration
    • Washable And Reusable
    • Specially Designed For Off-Road Racing Applications
    Learn More
  7. Covered Assembly - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $205.59
    SKU: KNF-55-1040
    • Add to cart for exclusive pricing
    • Height (in.): 3.5
    • Overall Length (in.): NA
    • Filter Re-Oiling Amount: 1.45 oz (43 ml)
    • Shape: Panel (Flat)
    • Width (in.): NA
    • Cap Outside Diameter: N/A
    • Filter Style: Dry
    • Replacement Filter: RE-0970
    • Clamp Material: Stainless Steel
    • Clamps Included: 4
    • Filter Material: Cotton Gauze
    • Filter Color: Red
    • Top Style: X-Stream
    • Clamp Style: Mini
    • Diameter Inside (in.): 4.625
    • Diameter Outside (in.): OEM
    • Washable And Reusable
    • One Year Limited Warranty
    • High Air Flow With Excellent Filtration
    • Designed To Increase Horsepower And Acceleration
    Learn More
  8. X-Stream Top Assembly - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $232.99
    SKU: KNF-66-3200
    • Add to cart for exclusive pricing
    • Diameter Outside (in.): N/A
    • Air Filter Outlet Shape: Round
    • Height (in.): NA
    • Overall Length (in.): NA
    • Shape: Round
    • Width (in.): NA
    • Cap Outside Diameter: N/A
    • Filter Style: Dry
    • Replacement Filter: E-3730
    • Filter Material: Cotton Gauze
    • Diameter Inside (in.): 12
    • Filter Color: Red
    • Top Style: Open
    • Enhances Performance
    • More Protection And Airflow
    • Universal Clamp-On Filter
    • Designed For Serious Racers
    • Pulls More Air Through
    • Best Filtration Available
    Learn More
  9. X-Stream Top Assembly - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $242.99
    SKU: KNF-66-3210
    • Add to cart for exclusive pricing
    • Diameter Outside (in.): N/A
    • Air Filter Outlet Shape: Round
    • Height (in.): NA
    • Overall Length (in.): NA
    • Shape: Round
    • Width (in.): NA
    • Cap Outside Diameter: N/A
    • Filter Style: Dry
    • Replacement Filter: E-3730
    • Filter Material: Cotton Gauze
    • Diameter Inside (in.): 12
    • Filter Color: Red
    • Top Style: Open
    • More Protection And Airflow
    • Enhances Performance
    • Universal Clamp-On Filter
    • Designed For Serious Racers
    • Pulls More Air Through
    • Best Filtration Available
    Learn More
  10. X-Stream Top Assembly - ADD TO CART FOR EXCLUSIVE AJ-USA PRICING

    $256.99
    SKU: KNF-66-3220
    • Add to cart for exclusive pricing
    • Diameter Outside (in.): N/A
    • Air Filter Outlet Shape: Round
    • Height (in.): NA
    • Overall Length (in.): NA
    • Shape: Round
    • Width (in.): NA
    • Cap Outside Diameter: N/A
    • Filter Style: Dry
    • Replacement Filter: E-3732
    • Filter Material: Cotton Gauze
    • Diameter Inside (in.): 12
    • Filter Color: Red
    • Top Style: Open
    • Enhances Performance
    • More Protection And Airflow
    • Universal Clamp-On Filter
    • Designed For Serious Racers
    • Pulls More Air Through
    • Best Filtration Available
    Learn More
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