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Replacement Filters > Custom Air Filter

List Price: $93.68
Your Price: $62.99

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This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than our replacement air filters for street vehicles. K&N racing air filters are washable and reusable and come with a one year limited warranty.
  • Designed to increase horsepower and acceleration
  • Designed for racing applications
  • Washable and reusable lifetime air filter
  • Dual cotton layers
  • One year limited warranty

Available Information

Product Specifications

Air Filter Shape:Round
Filter Material:Cotton Gauze
Height:3.5 in (89 mm)
Inner Wire:No
Inside Diameter:12.5 in (318 mm)
Outside Diameter:14 in (356 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:E-3728R
Product Box Height:14.25 in (362 mm)
Product Box Length:14.13 in (359 mm)
Product Box Width:4.38 in (111 mm)
Product Style:Round Air Filter
Top Material/Finish:None
Top Style:Open
Weight:2.1 lb (1 kg)