Replacement Air Filter
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K&N Replacement Air Filter

Part No. 33-2430 Warranty Details  

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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:1.25 in
Material:Cotton Gauze
Outside Length:9.25 in
Outside Width:8.125 in


by PowerReviews
K&NReplacement Air Filter

(based on 1 review)

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Reviewed by 1 customer

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K&N Air Filter for Acura TSX


from New London, PA

About Me Casual Driver

Verified Buyer


  • Easy To Use
  • Improved acceleration
  • Lightweight


  • Can't Notice Extra Mpg

Best Uses

  • Large Cars
  • Small Cars
  • Trucks

Comments about K&N Replacement Air Filter:

This filter was easy to install, and I immediately noticed increased acceleration. However, I've not yet seen any increase in gas mileage, but it hasn't gotten any worse. Still get about 28 MPG.

  • Was this a gift?:
  • No

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