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K&N E-3960 5.0 out of 5 stars 1 Customer Review
Replacement Filters > Custom Air Filter

List Price: $51.28
Your Price: $34.99

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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 K&N 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 Shape:Rectangular
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:0.46 oz (14 ml)
Height:1.75 in (44 mm)
Inner Wire:No
Inside Length:6.125 in (156 mm)
Inside Width:4.75 in (121 mm)
Outside Length:7.5 in (191 mm)
Outside Width:6.125 in (156 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:E-3960
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:Rectangular Air Filter
Top Material/Finish:None
Top Style:Open
Weight:0.75 lb (0.34 kg)

Product Reviews

 If your going to be a nerd, be a good nerd, and put a K&N on your super computer....those cheesy cheese cloth computer air filters are Weak, pronounced in freak with a capital W....yeah, Exact-A-Mundo...geek on like a full blown nerd and keep your computer cool.
Rulgert, Texas