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E-3506
$33.99 USD
MSRP $52.69 35.5% Off
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K&N E-3506 Air Filter

Replacement Filters > Round Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   5 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

Filter MaterialCotton Gauze
Height2.375 in (60 mm)
Inner WireNo
Inside Diameter4.063 in (103 mm)
Outside Diameter5.313 in (135 mm)
Top StyleOpen
Top MaterialNone
Air Filter ShapeRound
FlangesNone
Package Contents1 Air Filter
Package Quantity1
Product StyleRound Air Filter
Weight0.6 lb (0.3 kg)
Filter Re-Oiling Amount0.47 oz (14 ml)
Product Box Height6.63 in (168 mm)
Product Box Length6.5 in (165 mm)
Product Box Width3.63 in (92 mm)

K&N E-3506 Air Filter Product Reviews

Saturday, June 3, 2017 - Part E-3506
Shipped fast and was exactly what I ordered. As always K&N makes a great product.

Chris Hickman
Newnan, Georgia
Wednesday, March 22, 2017 - Part E-3506
There is no other filter that I will ever use. I just bought a K&N for my bike. I have a Hypercharger and I put this new K&N filter in it. The reaction was instant; more power, more thrust and I could not believe the difference. Love it! I don't buy anything else when it comes to air filters or oil filters. I buy the best.... K&N.

Jeffrey Scott
Spring Hill, Florida
Monday, November 16, 2015 - Part E-3506
All good.

Rick Myers
Duncan BC Canada