Replacement Air Filter
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K&N Replacement Air Filter

Part No. 33-2409 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:1 in
Material:Cotton Gauze
Outside Length:8.813 in
Outside Width:6.625 in
Shape:Panel

REVIEW SNAPSHOT®

by PowerReviews
K&NReplacement Air Filter
 
4.9

(based on 8 reviews)

Ratings Distribution

  • 5 Stars

     

    (7)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Durable (6)
  • Easy to use (6)
  • High-performance (5)

Cons

No Cons

Best Uses

No Best Uses
    • Reviewer Profile:
    • Auto enthusiast (3)
    • Was this a gift?:
    • No (5)

Reviewed by 8 customers

Displaying reviews 1-8

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5.0

Very nice upgrade. Easy extra hp

By 

from Orlando FL

Verified Buyer

Comments about K&N Replacement Air Filter:

Everyday driving has just gotten a little bit better with this product.

  • Was this a gift?:
  • No

Comment on this reviewHelp Icon

(2 of 4 customers found this review helpful)

 
5.0

Makes REAL difference in my Sentra

By 

from Wells, Maine

About Me Auto Enthusiast, Truck Enthusiast

See all my reviews

Verified Buyer

Pros

  • Durable
  • Easy To Use
  • High-Performance

Cons

    Best Uses

    • Large Cars
    • Small Cars
    • Trucks

    Comments about K&N Replacement Air Filter:

    Have a 2013 Nissan Sentra. Needs a little extra zip because it doesn't have the giddyup that my Altima has. This filter makes a real difference in the Sentra.

    • Was this a gift?:
    • No

    Comment on this reviewHelp Icon

    (2 of 4 customers found this review helpful)

     
    5.0

    Great Product

    Profile Image

    By 

    from Chillicothe, IL

    About Me Auto Enthusiast, Casual Driver, Mechanic

    Verified Buyer

    Pros

    • Durable
    • Easy To Use
    • High-Performance

    Cons

      Best Uses

        Comments about K&N Replacement Air Filter:

        Great product, fast delivery, low price. Advance Auto, Need I say more?

        • Was this a gift?:
        • No

        Comment on this reviewHelp Icon

        (2 of 4 customers found this review helpful)

         
        5.0

        Very good

        By 

        from FL

        Verified Buyer

        Pros

        • High-Performance
        • Improved Gas Millage

        Cons

          Best Uses

            Comments about K&N Replacement Air Filter:

            this filter is very good. I got this filter for my 2008 nissan rogue and it inmediately improved my gas millage average by more than 1 mile per galon. I love it. the only bad thing I can think of is having to purchace a cleaning kit for future cleaning of the filter. overall I reccomend this product to all my friends

            Comment on this reviewHelp Icon

            (2 of 4 customers found this review helpful)

             
            5.0

            Awesome Air Filter

            Profile Image

            By 

            from New Jersey

            About Me Casual Driver

            Verified Buyer

            Pros

            • Durable
            • Easy To Use
            • High-Performance

            Cons

              Best Uses

              • Crossover

              Comments about K&N Replacement Air Filter:

              Great product from the minute I put it in and drove for the first time. I did notice a huge difference!

              • Was this a gift?:
              • No

              Comment on this reviewHelp Icon

              (1 of 7 customers found this review helpful)

               
              5.0

              Great Price, As Advertised

              By 

              from Fresno, CA

              About Me Auto Enthusiast

              See all my reviews

              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:

                Fast Delivery, Product gave more horsepower.

                • Was this a gift?:
                • No

                Comment on this reviewHelp Icon

                (2 of 4 customers found this review helpful)

                 
                5.0

                Great item

                By 

                from Virginia

                See all my reviews

                Verified Buyer
                3 or more reviews submitted

                Pros

                • Durable
                • Easy To Use

                Cons

                  Best Uses

                    Comments about K&N Replacement Air Filter:

                    This fits a 2010 nissan sentra se-r spec-v. The air filter box is positioned vertically and easily opens, and you pull out a plastic tray that holds the paper filter. Simply swap the paper filter for this K&N and put it back in. You realistically get about 1 hp and 1 lb.ft with this upgrade, a satisfying- but not overwhelming addition to the intake note, and most importantly you can clean and re-oil it every 30k miles, the re-oil kit costs about $10 and you get 3 uses out of it. If y ou plan on keeping the car for the long haul this is a very worthwhile investment. Didn't want to spend $300 on a CAI, plus install costs, and most importantly, I didn't want to really mess with the car. It is great just how it is.

                    • Car & Truck:
                    • Casual Driver

                    Comment on this reviewHelp Icon

                    (2 of 6 customers found this review helpful)

                     
                    4.0

                    Worth the money

                    By 

                    from Houston, TX

                    See all my reviews

                    Verified Buyer
                    Helpful Reviewer

                    Pros

                    • Durable
                    • Easy To Use

                    Cons

                      Best Uses

                        Comments about K&N Replacement Air Filter:

                        Very easy to install. I have noticed about 1 mpg better then the paper. Plus it will last forver. It is a good long term investment.

                        • Car & Truck:
                        • Casual Driver

                        Comment on this reviewHelp Icon

                        Displaying reviews 1-8

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