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Designed to fit in the factory air box exactly like the original filter

Uni Filter's unique two stage design allows for easy and complete cleaning
", "
  • Designed to Fit in the Factory Air Box Exactly Like Original Filter
  • The Best Selling Replacement Air Filter for Competition Motorcycles and ATVs
  • Unique Two Stage Design Allows for Easy and Complete Cleaning
  • Dual Layer of Foam, Can Be Serviced Separately
  • Thin Ultra Seal Base Is Virtually Impossible to Tear and Has a Built-In \"Grease Groove\"


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    Fits in stock air box exactly like OEM filter
    Traps dirt and dust in 2 layers of foam
    The large pore, pre-filter captures the bigger particles
    The small pore, inner filter prevents any engine-wrecking grit from reaching the cylinder
    Features the Ultra Seal grease groove on the sealing surface
    Made in the U.S.A" ], "Product_grade": [ "Performance Part", "Replacement Part" ], "Product_site_launch_date": [ "2007-01-30T17:15:58-00:00", "2007-09-28T19:38:56-00:00", "2009-11-09T00:00:00-00:00", "2012-09-18T19:37:07.329Z", "2013-03-10T17:46:42.000Z", "2015-12-11T19:39:53.875Z" ], "Publisher": [ "UNI", "UNI FILTER", "Uni Filter" ], "Rank": [ "1032", "1392067", "1441984", "146815", "1813512", "1858308", "1996", "2008", "2070", "2092", "225072", "235253", "2399", "2677", "2686", "2921424", "2926004", "2996", "3188", "319324", "322871", "325436", "327957", "3296118", "3435281", "379375", "432", "4364", "4421", "48033", "5273", "5485", "640048", "642127", "667415", "71", "710597", "726", "749", "829529", "842", "845938", "8585", "863018", "926445", "987159" ], "Registration_status": [ "fifra_not_considered_pesticide" ], "Regulatory_organization_name": [ "California Environmental Protection Agency - Air Resources Board(CARB)" ], "Size": [ "Fitment", "One Size" ], "StrippedMpns": [ "5864242039", "NU4140", "NU4140ST" ], "Studio": [ "UNI", "UNI FILTER", "Uni Filter" ], "Supplier_declared_dg_hz_regulation": [ "not_applicable", "unknown" ], "Title": [ "2006-2009 HONDA TRX450R UNI AIR FILTER HONDA ATV, Manufacturer: UNI FILTER, Manufacturer Part Number: NU-4140ST-AD, Stock Photo - Actual parts may vary.", "Automotive", "FILTER AIR HON TRX450R", "MULTI-STAGE COMPETITION AIR FILTER", "Powersports Air Filters", "Powersports Parts", "UNI AIF FILTER HON ATV TRX450R", "UNI NU-4140ST; 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  • Designed to Fit in the Factory Air Box Exactly Like Original Filter
  • The Best Selling Replacement Air Filter for Competition Motorcycles and ATVs
  • Unique Two Stage Design Allows for Easy and Complete Cleaning
  • Dual Layer of Foam, Can Be Serviced Separately
  • Thin Ultra Seal Base Is Virtually Impossible to Tear and Has a Built-In \"Grease Groove\"


    • Please Note: The Image Displayed Is Representative of UNI Filters, but Shows a Variety of Styles. You Will Only Receive the Proper Filter Described for Your Application, Regardless of Image Shown.", "features": [ "Uni Filter Uni Air Filter Honda ATV" ] }, { "asin": "B006B1XSRO", "title": "Uni Filter UNI AIF FILTER HON ATV TRX450R", "brand": "UNI FILTER", "image": "https://m.media-amazon.com/images/I/410InbbO4tL._SL75_.jpg", "url": "https://www.amazon.com/dp/B006B1XSRO?tag=atariguidz-20", "description": "
    Designed to fit in the factory air box exactly like the original filter

    Uni Filter's unique two stage design allows for easy and complete cleaning
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    Traps dirt and dust in 2 layers of foam
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    Features the Ultra Seal grease groove on the sealing surface
    Made in the U.S.A" }, { "asin": "B00AWRTP20", "title": "UNI NU-4140ST; Multi-Stage Competition Air Filter Made by UNI", "brand": "uni", "image": "https://m.media-amazon.com/images/I/51h76jFimtL._SL75_.jpg", "url": "https://www.amazon.com/dp/B00AWRTP20?tag=atariguidz-20", "description": "Unsurpassed in airflow, dirt stopping and overall performance
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    Traps dirt and dust in 2 layers of foam
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    Features the Ultra Seal grease groove on the sealing surface
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    Fits in stock air box exactly like OEM filter
    Traps dirt and dust in 2 layers of foam
    The large pore, pre-filter captures the bigger particles
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    Features the Ultra Seal grease groove on the sealing surface
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