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K&N SN-2520 4.0 out of 5 stars 1 Customer Review
Universal Air Filters > Custom Air Filter

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SN-2520
 
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If you require good clean air and lots of it, K&N Clamp-on filters are your best bet for improved performance! Universal in style, K&N snowmobile filters replace the existing airbox and OEM stock filter. K&N manufactures hundreds of sizes, shapes and lengths to fit virtually any application. [MORE]
  • Designed to increase horsepower and acceleration
  • Designed specifically for snowmobile applications
  • Washable and reusable air filter
  • High air flow with excellent filtration
  • One year limited warranty


Product Specifications 
Air Filter Large End Diameter:3.75 in (95 mm)
Air Filter Shape:Round Tapered
Base Outside Diameter:3.75 in (95 mm)
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:0.49 oz (14 ml)
Flange Angle:20 degrees
Flange Inside Diameter:2.438 in (62 mm)
Flange Length:2 in (51 mm)
Flange Type:Angled
Flanges:None
Height:5 in (127 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:SN-2520
Product Box Height:9.25 in (235 mm)
Product Box Length:5.63 in (143 mm)
Product Box Width:4.63 in (117 mm)
Product Style:Round Tapered Universal Air Filter
Top Material/Finish:None
Top Outside Diameter:3 in (76 mm)
Top Style:Rubber
Weight:0.89 lb (0.4 kg)


Product Reviews      Review part SN-2520

 I ordered 2 of these filters as they were the specific part number listed for my 2003 Polaris rmk 800 vertical edge chassis. When trying to install, I found that there is no clearance between the inside carburetor and the steering column. So I was stuck with a decision to go back to stock airbox or figure out something else entirely. Since I needed the better airflow for my sled, I ended up gutting my airbox and custom mounting one of the filters to stick out of the top of the air box and out of the hood. This worked great except I now have an extra filter. Fortunately I have another of the same sled so I was able to do the same modifications. I just want to inform K&N filters that these filters DO NOT fit that model snowmobile and that it should look into changing the filter design with a groove or something on the side of the steering column so it will fit properly. I would have preferred much more to have a single filter for EACH carb. Other than that, I am happy with the filters, but am frustrated that I spent so much time searching the site for a filter that would fit after I discovered the inside filter wouldnt fit and the time I had to spend to figure out and to the modifications for the custom mount when they should have just clamped on the end of the carb off the get go. I will recommend k&n to anyone, but am disappointed that this issue wasn't discovered sooner. Thanks for your time.
Jacob Cannon, Salt Lake City, Utah