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K&N 2010-2014 Mustang Drop-In Air Filter



  • Sale
  • $59.99


K&N 33-2431 Air Filter

  • 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®

The K&N 33-2431 Air Filter fits some Ford Mustang, Ford Mustang Boss 302, and Ford Mustang GT models. See below for details.

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. 
Product Specifications
Air Filter Shape Panel
Filter Material Cotton Gauze
Height 1.25 in (32 mm)
Outside Length 12.25 in (311 mm)
Outside Width 9.625 in (244 mm)
Package Contents 1 Air Filter
Package Quantity 1
Product Style Panel Air Filter
Weight 1.9 lb (0.9 kg)
Filter Re-Oiling Amount 1.69 oz (50 ml)
Product Box Height 1.69 in (43 mm)
Product Box Length 12.5 in (318 mm)
Product Box Width 10.38 in (264 mm)


Part #: KN33-2431


  • 2010 2011 2012 2013 2014 Mustang GT
  • 2012 2013 Mustang BOSS 302
  • 2010 2011 2012 2013 2014 Mustang 3.7L V6

DeWitt, Iowa

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