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Replacement Filters > Custom Air Filter

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E-3971
 
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K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration.

[More Information on Off-Road Motorcycle and ATV Air Filters]
  • Designed to provide increased horsepower and acceleration
  • Specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
  • Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Fits directly into OEM air box with application specific sealing bead ensuring a precise fit
  • No fuel management modifications are required to obtain increased performance
  • Washable & reusable, most are pre-oiled and ready to ride!
  • One Year Limited Warranty


Product Specifications 
Air Filter Shape:Round
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:0.5 oz (15 ml)
Flanges:None
Height:2.75 in (70 mm)
Inner Wire:No
Inside Diameter:4.625 in (117 mm)
Outside Diameter:6 in (152 mm)
Package Contents:1 Air Filter, 1 K&N 1oz Sealing Grease
Package Quantity:1
Part Number:E-3971
Product Box Height:3.5 in (89 mm)
Product Box Length:6.31 in (160 mm)
Product Box Width:6.56 in (167 mm)
Product Style:Round Air Filter
Top Material/Finish:None
Top Style:Open
Weight:0.74 lb (0.34 kg)


Customer Feedback      Be the first to review part E-3971

I installed BA 2201 air filter a year back from authorized dealer here in the capital city. To my surprise, he took exactly 3 minutes to install the new part in my Bajaj Pulsar 200F. When I started the ignition with a roaring voice, I asked the K&N guy, Did you do something in engine or in exhaust. Guys in India Pulsar 220 is proudly the fastest Indian bike, where I have reached upto 145kmph, but after installing K&N, I reached 153kmph. For increased power, kmpl, torque, and heart taking exhaust sound, I think every pulsar owner should ask for it. And for K&N, I would request them to come up something more related to exhaust kits and other performance enhancers for Indian mades. Yo man, it rocks!
Ashish K Rana, New Delhi, India
K & N filter is really a high performance filter.. It boosts up the engine power and gives us a real racing experience.. It's the best air filter for every Indian bike.. It Increases Horse power with no decrease in mileage. One of my friends has fitted it on his Honda Stunner and he is fully satisfied with it..I am also going to fit on mine soon....
.. cheerss!!!!!!
VINAY ARORA, Delhi, India
Fitted a K&N airfilter on my Bajaj Pulsar 220 . .

Part : RC 1060

Now my bike is really the fastest Indian. . .

Sounds like roaring. . .

It's superb. .

Thanks K&N. . .
Ajay K R, Wayanad , Kerala, India