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K&N 33-2877 5.0 out of 5 stars 1 Customer Review
Replacement Filters > Replacement Air Filter

 List Price: $61.44
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33-2877
 
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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 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. [More Information on Replacement Air Filters]
  • 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®
Available Information
33-2877 Cross Reference
33-2877 Vehicle Applications
Air Filter Test Data
News Story - Simple Ford Focus Performance Upgrades
News Story - 2000 to 2014 Ford Focus Performance Upgrades


Part 33-2877 Product Specifications
Product Style: Panel Air Filter
Height: 1.125 in (29 mm)
Outside Length: 10.938 in (278 mm)
Outside Width: 7.438 in (189 mm)
Air Filter Shape: Panel
Filter Material: Cotton Gauze
Package Contents: 1 Air Filter
Package Quantity: 1
Filter Re-Oiling Amount: 1.23 oz (36 ml)
Weight: 0.53 lb (0.24 kg)
Product Box Length: 7.72 in (196 mm)
Product Box Width: 1.75 in (44 mm)
Product Box Height: 13.56 in (345 mm)



Product Reviews      Review part 33-2877

 I ordered this filter on Wednesday morning 22-01-2014 and it arrived at 11.am Thursday 23-01-2014. Fantastic service. Half an hour later it was installed, I then went for a drive through the town and saw an immediate 50 percent improvement> Then drove out of town on 40 mph roads. The performance increased by another 35 percent approx. I am now getting an average 32 mpg around town. My car is a 2005 Ford Focus C-max 1.6 petrol which was giving poor mpg. Your filter is excellent Thank you.
Peter Tyburski, Manchester, England