K&N 33-2111 High Performance Replacement Air Filter

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 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

  • 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

3 thoughts on “K&N 33-2111 High Performance Replacement Air Filter”

  1. I may call K&N as they are great on customer service The only problem I had, was there was absolutely no proper surface anywhere on the airbox facings upon which I could install the included gasket. First-one tore. However K&N was very prompt in sending me 2 at no charge , not just 1 replacement. Still, the filter seems tight and sealed well without the gasket, so I was unable to use the gaskets and cannot see any room for air leakage. The outside shows some expected dirt, but the inside of the filter and box are real clean. I am wondering if GM…

  2. No place cheaper than Amazon I purchased this K&N air filter (33-2111) for my 2003 corvette z06. The fitment was exact and it took less than a minute to install. The filter came with a rubber sealer that attatches to the air filter holder. I found the filter to fit better with out the sealer. The only reason I did not rate 5 stars is because K&N makes outrageous claims of increased horsepower and the filter was over oiled. I had to wipe down the filter with a towel to remove the excess oil. Overall I would recommend this…

  3. Quality as usual! Another great K&N product. 2001 Corvette 6speed LS1. I will add that for this application, just go ahead and remove the airbox first. Theres no way a human can install the gasket with the airbox in the car. I tried…failed horribly. Blasphemed GM engineers…

Leave a Reply

Your email address will not be published. Required fields are marked *