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Replacement Filters > Custom Air Filter

 List Price: $62.53
Your Price: $41.99

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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®

Product Specifications 
Air Filter Large End Diameter:7.375 in (187 mm)
Air Filter Shape:Tapered Conical
Base Inside Diameter:6.375 in (162 mm)
Base Outside Diameter:7.375 in (187 mm)
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:0.53 oz (16 ml)
Height:3.375 in (86 mm)
Inner Wire:No
Package Contents:1 Air Filter
Package Quantity:1
Part Number:E-3521
Product Box Height:8.63 in (219 mm)
Product Box Length:8.5 in (216 mm)
Product Box Width:3.63 in (92 mm)
Product Style:Tapered Conical Air Filter
Top Inside Diameter:4.375 in (111 mm)
Top Material/Finish:None
Top Outside Diameter:5.375 in (137 mm)
Top Style:Open
Weight:0.82 lb (0.37 kg)

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