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33-2788
$49.99 USD
MSRP $78.19 36.1% Off
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K&N 33-2788 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   4 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.

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Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.19 oz (35 ml)
Height1.188 in (30 mm)
Outside Length8 in (203 mm)
Outside Width9.313 in (237 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 33-2788 Air Filter Product Reviews

Tuesday, June 7, 2016 - Part 33-2788
It's important that my engine gets the best treatment, the same as all my previous cars, That's why I always use K&N filters. I get back peformance, economy, and the knowledge my engine is protected by the best on the market, nothing compares.

David Sweetman
Hereford, United Kingdom
Wednesday, February 24, 2016 - Part 33-2788
The air filter I bought from the K & N range made an unbelievable difference to my Land Rover Discovery in noticeable performance. (Hard to judge any fuel saving as the vehicle is always towing other vehicles out of trouble.) Buying the filter was very easy, no sucking air through the teeth or grunting, just a person who understood the product and easily identified the filter I needed.

Paul Start
Essex, United Kingdom
Thursday, February 4, 2016 - Part 33-2788
I have a Land Rover discovery 2004 and have always suffered with it hanging back until the rev counter reached the 1500 mark. I was advised to install a K&N air filter, and what a difference. The whole performance across the range showing improvement.

Paul Start
Saffron, Walden
Thursday, April 23, 2015 - Part 33-2788
Replaced the old paper filter on my '02 Disco series II and I've noticed a serious difference in performance. It sounds so much better now, like it can finally breathe again as well as having much improved throttle response. Only wish I had known about these sooner.

Chris Ferriss
Jackson, Mississippi