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K&N SU-4506 5.0 out of 5 stars 2 Customer Reviews
Replacement Filters > Replacement Air Filter

 List Price: $86.68
Your Price: $68.99

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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]
  • 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
Available Information
SU-4506 Cross Reference
Installation Instruction Sheet
SU-4506 Vehicle Applications
Air Filter Test Data
News Story - K&N Designs Air Filter for 2006 to 2009 Suzuki LTR450 Quadracer, a High Performance ATV

Part SU-4506 Product Specifications
Product Style: Unique Air Filters
Air Filter Shape: Round Tapered
Filter Material: Cotton Gauze
Flanges: None
Height: 3.938 in (100 mm)
Package Contents: 1 Air Filter
Package Quantity: 1
Base Outside Diameter: 6.125 in (156 mm)
Filter Re-Oiling Amount: 0.85 oz (25 ml)
Flange Angle: N/A
Top Material/Finish: Black Oxide
Top Outside Diameter: 5.125 in (130 mm)
Top Style: Metal
Weight: 1.5 lb (0.7 kg)
Product Box Length: 6.5 in (165 mm)
Product Box Width: 6.5 in (165 mm)
Product Box Height: 7.25 in (184 mm)

Product Reviews      Review part SU-4506

 Works excellent!
Rob Brammer, Clarinda Iowa
 Works great fit perfect.
Rob Brammer, Clarinda Iowa
 Great filter. Added alot more hp to my bike.
Ricky, Washington