Replacement Air Filter
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K&N Replacement Air Filter

Part No. 33-2304 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

Product Features:
  • This is the last air filter your vehicle will ever need!
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty┬«
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Height:0.938 in
Material:Cotton Gauze
Outside Length:8.75 in
Outside Width:8.563 in
Shape:Panel

REVIEW SNAPSHOT®

by PowerReviews
K&NReplacement Air Filter
 
4.9

(based on 18 reviews)

Ratings Distribution

  • 5 Stars

     

    (16)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Durable (12)
  • Easy to use (11)
  • High-performance (11)
  • Lightweight (3)
  • Versatile (3)

Cons

No Cons

Best Uses

  • Large cars (11)
  • Small cars (9)
  • Trucks (8)
    • Car & Truck:
    • Casual driver (3)
    • Reviewer Profile:
    • Auto enthusiast (7), Casual driver (6)
    • Was this a gift?:
    • No (15)

Reviewed by 18 customers

Displaying reviews 1-10

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5.0

The best filter around

By 

from G-man

Verified Buyer

Comments about K&N Replacement Air Filter:

Just like everything else you pay for the best

  • Was this a gift?:
  • No

Comment on this reviewHelp Icon

 
5.0

5 stars

By 

from New Jersey

Verified Buyer

Comments about K&N Replacement Air Filter:

Easy to instal, great price. Wouldn't buy another filter then KN.

  • Was this a gift?:
  • No

Comment on this reviewHelp Icon

 
5.0

K&N Replacement Air Filter

By 

from Elyria, OH

About Me Casual Driver

Verified Buyer

Pros

  • Durable
  • Easy To Use
  • High-Performance
  • Versatile

Cons

    Best Uses

    • Large Cars
    • Small Cars

    Comments about K&N Replacement Air Filter:

    This is the first time I purchased a K&N Air Filter. I purchased it because it received good reviews and it's reusable..

    • Was this a gift?:
    • No

    Comment on this reviewHelp Icon

     
    5.0

    great filter

    By 

    from new jersey

    About Me Auto Enthusiast

    Verified Buyer

    Pros

    • Durable
    • Easy To Use
    • High-Performance

    Cons

      Best Uses

      • Large Cars
      • Small Cars
      • Trucks

      Comments about K&N Replacement Air Filter:

      easy to install great fit

      Comment on this reviewHelp Icon

       
      5.0

      Great

      Comments about K&N Replacement Air Filter:

      Fit my 2013 crosstrek just fine.

      Comment on this reviewHelp Icon

       
      5.0

      2009 Subaru Tribeca

      By 

      from Elkhart, IN

      About Me Casual Driver

      See all my reviews

      3 or more reviews submitted

      Pros

      • Easy To Use

      Cons

        Best Uses

          Comments about K&N Replacement Air Filter:

          Fit perfect in the 2009 Subaru Tribeca.

          • Was this a gift?:
          • No

          Comment on this reviewHelp Icon

           
          5.0

          3rd one in 3 different cars

          By 

          from Aurora CO

          About Me Casual Driver

          Verified Buyer

          Pros

          • Easy To Use
          • High-Performance

          Cons

            Best Uses

            • Large Cars
            • Small Cars
            • Trucks

            Comments about K&N Replacement Air Filter:

            Better performance

            • Was this a gift?:
            • No

            Comment on this reviewHelp Icon

            (6 of 11 customers found this review helpful)

             
            5.0

            great filter

            By 

            from harveys lake,pa

            About Me Auto Enthusiast, Casual Driver

            Verified Buyer
            Helpful Reviewer

            Pros

            • Durable
            • Easy To Use
            • High-Performance

            Cons

              Best Uses

              • Large Cars
              • Small Cars
              • Trucks

              Comments about K&N Replacement Air Filter:

              exact fit.already seen a slight improvement in my mpg.

              • Was this a gift?:
              • No

              Comment on this reviewHelp Icon

              (3 of 3 customers found this review helpful)

               
              5.0

              K&N Always.

              By 

              from Fall River, MA

              About Me Auto Enthusiast, Mechanic, Truck Enthusiast

              Verified Buyer
              Helpful Reviewer

              Pros

              • Durable
              • Easy To Use
              • Excellent price
              • High-Performance
              • Lightweight
              • Versatile

              Cons

              • No cons

              Best Uses

              • Large Cars
              • Small Cars
              • Trucks

              Comments about K&N Replacement Air Filter:

              Economy, Horsepower, easy to clean, no wasted filters, ecologically sound.

              • Was this a gift?:
              • No

              Comment on this reviewHelp Icon

               
              5.0

              Great Product

              By 

              from Milford, CT

              About Me Auto Enthusiast

              See all my reviews

              Ask me a question

              Verified Buyer
              3 or more reviews submitted

              Pros

              • Durable
              • Great Fit
              • High-Performance
              • Hp

              Cons

                Best Uses

                • Large Cars
                • Small Cars
                • Trucks

                Comments about K&N Replacement Air Filter:

                Improved Gas Mileage!

                • Was this a gift?:
                • No

                Comment on this reviewHelp Icon

                Displaying reviews 1-10

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