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K&N 33-2304 4.9 out of 5 stars 12 Customer Reviews
Replacement Filters > Replacement Air Filter

 List Price: $74.69
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33-2304
 
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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
33-2304 Cross Reference
Installation Instruction Sheet
33-2304 Vehicle Applications
Air Filter Test Data
News Story - Simple Subaru Impreza Performance Upgrades


Part 33-2304 Product Specifications
Product Style: Panel Air Filter
Height: 0.938 in (24 mm)
Outside Length: 8.75 in (222 mm)
Outside Width: 8.563 in (217 mm)
Air Filter Shape: Panel
Filter Material: Cotton Gauze
Package Contents: 1 Air Filter
Package Quantity: 1
Filter Re-Oiling Amount: 1.06 oz (31 ml)
Weight: 0.89 lb (0.4 kg)
Product Box Length: 10.44 in (265 mm)
Product Box Width: 1.75 in (44 mm)
Product Box Height: 11.56 in (294 mm)



Product Reviews    See all reviews!  Review part 33-2304

 Great Product.
Mario Moreno, Anaheim, California
 Great product. Easy to install. Immediate difference in performance. Why would you NOT use K&N filters?
Todd, Portland, Oregon
 Dealing direct with K&N is always a pleasure. Instant invoice was recieved and super fast shipping of the product. I've used their air filters on all my cars over the last fifteen years. You can expect better perfomance, a little better gas mileage and a deeper exhaust sound. Very pleased with this product. I would certainly buy again and recommend to a friend.
Speed Racer, Los Angeles, California