Replacement Air Filter
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K&N Replacement Air Filter

Part No. BM-0400 Warranty Details  

Fit of this part varies by vehicle & equipment specs Type of 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 virtually every vehicle on the road. These filters are washable and reusable

Product Features:
  • 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:3.375 in
Inside Diameter:3 in
Material:Cotton Gauze
Outside Diameter:4.375 in
Shape:Round
Top Type:Open

REVIEW SNAPSHOT®

by PowerReviews
K&NRound Open Top Cotton Gauze Air Filter
 
5.0

(based on 1 review)

Ratings Distribution

  • 5 Stars

     

    (1)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

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  • 1 Stars

     

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Reviewed by 1 customer

Displaying review 1

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5.0

Spend a little, save a lot.

By 

from Friendsville, TN.

About Me Competitive Driver, Mechanic, Truck Enthusiast

Verified Buyer
Level 3

Pros

  • Durable
  • Easy To Install
  • Efficient
  • Improves Engine Efficiency
  • Increases Power
  • Lightweight

Cons

    Best Uses

    • Everyday Driving
    • Performance Driving
    • Racing
    • Replacement
    • Restoration

    Comments about K&N Round Open Top Cotton Gauze Air Filter:

    I first started using K&N filters on dirt bikes and my Harley`s. When I got into Dirt track racing, I was having to replace the paper filters every week, plus, I was dyno-ing my motors and found a few more horsepower with the K&N filters. I found that I could go 8 to 10 races or more before having to clean and reoil my K&N`s. Then I got the cover that goes over the filter and I could go longer. I could tell the K&N`s were better because I didn`t see the telltale brown streaks of dust leading from the filter to the carb on the bottom plate of the aircleaner that I saw from the paper filters. They saved my motors and gave me more horsepower. That`s what it is all about. K&N makes GOOD stuff.

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    Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.