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K&N AC-1009 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   1 Customer Review
  • 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
The K&N AC-1009 Air Filter fits some Arctic Cat 1000 LTD, Arctic Cat 1000 MudPro EFI H2 4x4 Auto, Arctic Cat 1000 XT, Arctic Cat 1000i GT, Arctic Cat 1000S, Arctic Cat MudPro 1000, Arctic Cat MudPro 1000 LTD, Arctic Cat Thundercat, Arctic Cat Thundercat 1000 H2, Arctic Cat TRV1000, Arctic Cat TRV1000 EFI Cruiser, Arctic Cat TRV1000 H2 EFI, Arctic Cat TRV1000 H2 EFI Cruiser, and Arctic Cat TRV1000 LTD models. See vehicle applications link for details.
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]

Product Specifications

Air Filter ShapeOval
Base Outside Length8.938 in (227 mm)
Base Outside Width5.875 in (149 mm)
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.64 oz (19 ml)
Height2 in (51 mm)
Inner WireNo
Inside Length7.563 in (192 mm)
Inside Width4.5 in (114 mm)
Outside Length8.938 in (227 mm)
Outside Width5.875 in (149 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height3.63 in (92 mm)
Product Box Length8.5 in (216 mm)
Product Box Width8.5 in (216 mm)
Product StyleOval Air Filter
Top MaterialNone
Top Outside Length8.938 in (227 mm)
Top Outside Width5.875 in (149 mm)
Top StyleRubber
Weight1.2 lb (0.5 kg)

K&N AC-1009 Air Filter Product Reviews

Wednesday, October 16, 2013 - Part AC-1009
I installed the AC-1009 in my 2008 Arctic Cat Thundercat that has about 4000 miles on it The performance immediately increased in the higher R.P.M.'s The increase was noticeable in both engine response and power.