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Air Filters - Drop In

  • Original price $52.99 - Original price $52.99
    Original price
    $52.99
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    Current price $52.99

    K&N Custom Air Filter Round 5-3/8in OD x 4in ID x 2in H

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $52.99 - Original price $52.99
    Original price
    $52.99
    $52.99 - $52.99
    Current price $52.99
  • Original price $68.99 - Original price $68.99
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    $68.99
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    Current price $68.99

    K&N Custom Air Filter Round 2.875in ID x 3.875in OD x 2in Height

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $68.99 - Original price $68.99
    Original price
    $68.99
    $68.99 - $68.99
    Current price $68.99
  • Original price $104.99 - Original price $104.99
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    $104.99
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    Current price $104.99

    K&N Replacement Element for RK-3929 Custom Air Filter

    K&N Engineering

    The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excelle...

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    Original price $104.99 - Original price $104.99
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    $104.99
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  • Original price $157.99 - Original price $157.99
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    $157.99
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    Current price $157.99

    K&N 05-06 Toyota Tundra / Sequoia V8-4.7L Replacement Drop In Air Filter (For P/N 57-9027)

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $157.99 - Original price $157.99
    Original price
    $157.99
    $157.99 - $157.99
    Current price $157.99
  • Original price $157.99 - Original price $157.99
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    $157.99
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    Current price $157.99

    K&N Custom Air Filter Cotton Gauze 13 1/2in x 6 9/16in B / 13in x 6 1/6in T / 7in H

    K&N Engineering

    K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. This air filter is was...

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    Original price $157.99 - Original price $157.99
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    $157.99
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    Current price $157.99
  • Original price $83.99 - Original price $83.99
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    $83.99
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    Current price $83.99

    K&N Custom Air Filter Cotton Gauze 14inOD x 12 1/4inID x 2inH

    K&N Engineering

    This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than ...

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    Original price $83.99 - Original price $83.99
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    Current price $83.99
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  • Original price $57.99 - Original price $57.99
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    $57.99
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    Current price $57.99

    K&N Custom Air Filter Round 1.063in ID x 2in OD x 1.063in Height

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $57.99 - Original price $57.99
    Original price
    $57.99
    $57.99 - $57.99
    Current price $57.99
  • Original price $67.19 - Original price $67.19
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    $67.19
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    Current price $67.19

    K&N Replacement Round Straight Universal Air Filter for 2010-2015 Audi A8 2.0L/2.5L/3.0L/4.0L/4.2L

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $67.19 - Original price $67.19
    Original price
    $67.19
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    Current price $67.19
  • Original price $157.99 - Original price $157.99
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    K&N Replacement Unique Air Filter for 2009-2014 Mercedes-Benz C/CLS/E/GLK/ML/S/SLK Class Diesel

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $157.99 - Original price $157.99
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    $157.99
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    Current price $157.99
  • Original price $67.19 - Original price $67.19
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    $67.19
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    K&N Replacement Air Filter 09-11 Volkswagen Polo / 10-11 Audi A1

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $67.19 - Original price $67.19
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    $67.19
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    Current price $67.19
  • Original price $67.19 - Original price $67.19
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    K&N Replacement Air Filter AUDI S6 5.2L, 2006-2010

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $67.19 - Original price $67.19
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    $67.19
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    Current price $67.19
  • Original price $126.39 - Original price $126.39
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    $126.39
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    Current price $126.39

    K&N 08-11 BMW M3 4.0L V8 Drop In Air Filter

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $126.39 - Original price $126.39
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    $126.39
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    Current price $126.39
  • Original price $67.19 - Original price $67.19
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    $67.19
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    K&N Replacement Air Filter FORD C-MAX 1.6L-L4; 2007

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $67.19 - Original price $67.19
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    $67.19
    $67.19 - $67.19
    Current price $67.19
  • Original price $104.99 - Original price $104.99
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    $104.99
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    K&N Replacement Air Filter 02-06 Mercedes Benz E200/220/270 / 02-04 E320 / 04-05 E280

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $104.99 - Original price $104.99
    Original price
    $104.99
    $104.99 - $104.99
    Current price $104.99
  • Original price $68.99 - Original price $68.99
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    $68.99
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    Current price $68.99

    K&N Replacement Air Filter 10-13 Alfa Romeo Guilietta 1.4L F/I & 2.0L DSL

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $68.99 - Original price $68.99
    Original price
    $68.99
    $68.99 - $68.99
    Current price $68.99
  • Original price $55.19 - Original price $55.19
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    $55.19
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    K&N 11-13 Audi A6 0L L4 Replacement Air Filter

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $55.19 - Original price $55.19
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    $55.19
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    Current price $55.19
  • Original price $68.99 - Original price $68.99
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    $68.99
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    Current price $68.99

    K&N Replacement Air Filter for 10-12 Alfa Romeo Giulietta 1.7L

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $68.99 - Original price $68.99
    Original price
    $68.99
    $68.99 - $68.99
    Current price $68.99
  • Original price $62.99 - Original price $62.99
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    $62.99
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    Current price $62.99

    K&N Replacement Air Filter for Mini Countryman 1.6L

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $62.99 - Original price $62.99
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    $62.99
    $62.99 - $62.99
    Current price $62.99
  • Original price $83.99 - Original price $83.99
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    K&N Replacement Air Filter MERCEDES-BENZ V8 w/F/I, 1976-93

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $83.99 - Original price $83.99
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    $83.99
    $83.99 - $83.99
    Current price $83.99
  • Original price $68.99 - Original price $68.99
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    $68.99
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    Current price $68.99

    K&N Replacement Air Filter MERCEDES-BENZ 190E, 1984-89

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $68.99 - Original price $68.99
    Original price
    $68.99
    $68.99 - $68.99
    Current price $68.99
  • Original price $83.99 - Original price $83.99
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    $83.99
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    Current price $83.99

    K&N Replacement Air Filter BMW 330D, 525D, 530D, & 730D 3.0L TURBO-DIESEL; 1999-00 (NON-US)

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $83.99 - Original price $83.99
    Original price
    $83.99
    $83.99 - $83.99
    Current price $83.99
  • Original price $83.99 - Original price $83.99
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    $83.99
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    K&N 99-00 BMW 320D Turbo-Diesel Drop In Air Filter

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $83.99 - Original price $83.99
    Original price
    $83.99
    $83.99 - $83.99
    Current price $83.99
  • Original price $83.99 - Original price $83.99
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    $83.99
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    Current price $83.99

    K&N 87-92 Supra Turbo & Non-Turbo Drop In Air Filter

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $83.99 - Original price $83.99
    Original price
    $83.99
    $83.99 - $83.99
    Current price $83.99
  • Original price $68.99 - Original price $68.99
    Original price
    $68.99
    $68.99 - $68.99
    Current price $68.99

    K&N Leyland/Morris/Riley Drop In Air Filter

    K&N Engineering

    K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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    Original price $68.99 - Original price $68.99
    Original price
    $68.99
    $68.99 - $68.99
    Current price $68.99