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K&N 66-1401XP X-Stream Top Filter

Custom Assemblies > X-Stream Top Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.6 out of 5 stars   5 Customer Reviews
  • 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
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.


Product Specifications

Air Filter ShapeRound Lid
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.92 oz (27 ml)
Height1 in (25 mm)
Outside Diameter14 in (356 mm)
Package Contents1 X-Stream Top Lid
Package Quantity1
Product Box Height15.13 in (384 mm)
Product Box Length15.38 in (391 mm)
Product Box Width2.25 in (57 mm)
Product StyleAccessories
Top MaterialChrome
Top StyleMetal
Weight1.7 lb (0.8 kg)

K&N 66-1401XP X-Stream Top Filter Product Reviews

Friday, July 8, 2016 - Part 66-1401XP
Thank you, worked like a charm!

Linda Shema-Stellfox
Englewood, Florida
Monday, December 7, 2015 - Part 66-1401XP
Very satisfied, well built.

Anthony Willis
Springfield, Illinois
Friday, January 9, 2015 - Part 66-1401XP
Great quality product, living up to K & N'S reputation.

Jerry Berg
Wednesday, August 6, 2014 - Part 66-1401XP
Great product and arrived in perfect condition.

Tampa, Florida
Thursday, November 7, 2013 - Part 66-1401XP
Instant power. My car accelerates faster and runs better.