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Replacement Filters > Replacement Air Filter

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E-1991
 
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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
E-1991 Cross Reference
E-1991 Vehicle Applications
Air Filter Test Data
News Story - 2009 Dodge Durango Hybrid Gets K&N Air Filter Option


Part E-1991 Product Specifications
Product Style: Round Air Filter
Height: 3.125 in (79 mm)
Inner Wire: No
Inside Diameter: 9.375 in (238 mm)
Outside Diameter: 11.375 in (289 mm)
Top Style: Open
Top Material/Finish: None
Air Filter Shape: Round
Filter Material: Cotton Gauze
Flanges: None
Package Contents: 1 Air Filter
Package Quantity: 1
Filter Re-Oiling Amount: 1.24 oz (37 ml)
Weight: 1.6 lb (0.7 kg)
Product Box Length: 12.25 in (311 mm)
Product Box Width: 12.25 in (311 mm)
Product Box Height: 3.63 in (92 mm)



Customer Feedback      Be the first to review part E-1991

I was skeptical purchasing this product but decided to give it a shot anyway and am glad I did. Received the intake kit for my 2002 Dodge Ram 2500 with a 5.9 diesel motor. Installation was a breeze. It took approximately 35 minutes from start to finish to install. Took the truck for a test drive and noticed an improvement in the acceleration. It has been a few weeks since I installed this product and am now seeing a small increase in fuel mileage. A bit pricey but a great product that I would recommend to others.
Charly, Jacksonville, Florida
Another K&N filter for our household, the Prius, the Rav 4, and now my new Dodge Ram diesel 1500 has a lifetime filter. K&N let me know when it was ready, as this is a new model for my Dodge, and as usual the filter rocks!! Thanks a bunch!
Cherry Dawson, Charleston, South Carolina
Picked up some extra HP and much better MPG. You can feel the power. It's a Dodge Dakota with a 360 Magnum. Las Vegas is hot in the summer so this intake helps to get cooler air to the throttle body. Cool air, better HP and MPG. Can't beat that. Even with the extra power I'm getting much better MPG. Thanks.
Joe Thibodeau, Las Vegas, Nevada