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E-2540
$39.99 USD
MSRP $61.99 35.5% Off
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K&N E-2540 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   2 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 ShapeRound
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.6 oz (18 ml)
FlangesNone
Height2.188 in (56 mm)
Inner WireNo
Inside Diameter5.188 in (132 mm)
Outside Diameter7 in (178 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height8.63 in (219 mm)
Product Box Length8.5 in (216 mm)
Product Box Width3.63 in (92 mm)
Product StyleRound Air Filter
Top Material/FinishNone
Top StyleOpen
Weight1 lb (0.4 kg)

K&N E-2540 Air Filter Product Reviews

Tuesday, March 17, 2015 - Part E-2540
My 1971 Triumph TR6 had a better fit with the 2 wide E-3360

Mike
So. Florida
Monday, November 10, 2014 - Part E-2540
Perfect fit for my 76 TR6!

Michael
Winter Park Florida