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Part number: E-3720
Universal product
Product Details
K&N E-3720 Custom Air Filter
Products specifications
Air Cleaner Top Style Open
Air Filter Outside Diameter 13.500 in.
Air Filter Shape Round
Air Filter Style Round
Diameter (in) 13.500 in.
Filter Color Red
Filter Material Cotton gauze
Filter Re-Oiling Amount 1.46 oz (43 ml)
Flanges None
Height 2.75 in (70 mm)
Height (in) 2.750 in.
Inner Wire No
inside Diameter 11.75 in (298 mm)
Outside Diameter 13.5 in (343 mm)
Package Contents 1 Air Filter
Package Quantity 1
Product Style Round Air Filter
Quantity Sold individually.
Top Material/Finish None
Weight 2 lb (0.9 kg)

K&N's lifetime replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N's replacement air filter is custom-designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. Simply remove the disposable air filter and replace it with a K&N air filter; no cutting or fitting is required. The filters are washable and reusable and are backed by K&N's million mile limited warranty.

  • Filters are washable and reusable and are backed by K&N's million-mile limited warranty
  • Fits into existing factory air box, no cutting or fitting is required
  • Designed to increase horsepower and acceleration
  • High air flow with excellent filtration
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Great product. Fast shipping. Great and easy to use website! The air filter I purchased
From them cost $20 less than it was priced for at other competitors! I am very happy with the price.
Nice site
fast shipping, lowest prices.
Quick Shipping and friendly Service
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