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33-2304
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MSRP $76.19 35.7% Off
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K&N 33-2304 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   66 Customer Reviews
  • 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®
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.

[More Information on K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.06 oz (31 ml)
Height0.938 in (24 mm)
Outside Length8.75 in (222 mm)
Outside Width8.563 in (217 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Weight0.9 lb (0.4 kg)

K&N 33-2304 Air Filter Product Reviews

Tuesday, April 05, 2016 - Part 33-2304
Filter received in excellent condition and on time; installed with little effort after reading instructions supplied.

Dennis
Boise, Idaho
Sunday, April 03, 2016 - Part 33-2304
The only thing I would mention is the box the filter came in was smashed but fortunately the filter seems undamaged.

Robert
California
Friday, April 01, 2016 - Part 33-2304
Washable. What more is there to say? Except, perhaps, that it arrived quickly. Also, there's a slight noticeable improvement in performance. All this from just an air filter.

J Loiacano
Libertyville, Illinois
Friday, March 25, 2016 - Part 33-2304
Works like advertised.

Bobbie Cox
LaFollette, Tennessee
Monday, March 21, 2016 - Part 33-2304
As described, fit like a glove.

Sean Gearty
Somerset, United Kingdom
Tuesday, March 01, 2016 - Part 33-2304
Perfect!

Danny
Whittier, California
Monday, January 25, 2016 - Part 33-2304
I've only had the K&N filter in my Subaru Outback for a few weeks, but I noticed an immediate increase in power.  The exhaust even sounds a little throatier. Website was a breeze and delivery was very quick. Thanks

Randy Riddle
North Carolina