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Custom Assemblies > X-Stream Top Filter

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K&N XStream® Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just like other K&N Air Filters. [MORE]
  • Air filter top adds filter area
  • Replaces metal factory filter lid with a lid with a built-in air filter top
  • High air flow with excellent filtration
  • Washable and reusable
Available Information
Installation Instruction Sheet
News Story - K&N Has Designed a New 16 inch XStream Air Flow Top to Replace Metal Air Cleaner Lids

Part 66-1601 Product Specifications
Product Style: Accessories
Air Filter Shape: Round Lid
Filter Material: Cotton Gauze
Filter Re-Oiling Amount: 1.48 oz (44 ml)
Flanges: None
Height: 1 in (25 mm)
Outside Diameter: 16 in (406 mm)
Package Contents: 1AF LID
Package Quantity: 1
Top Style: X-Stream
Weight: 2.5 lb (1.2 kg)
Product Box Length: 16.38 in (416 mm)
Product Box Width: 2 in (51 mm)
Product Box Height: 16.38 in (416 mm)

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