{"product_id":"outerwears-atv-pre-filter-for-k-n-ha-4504-part-number-20-2077-03","title":"OUTERWEARS ATV Pre-Filter for K\u0026N HA-4504, Part Number 20-2077-03","description":"\u003cp\u003eProtect your ATV air filter with the OUTERWEARS ATV Pre-Filter, designed for use with K\u0026amp;N HA-4504 air filters. Manufacturer part number 20-2077-03 and vendor part number 25-5837R identify this replacement pre-filter for off-road applications. It fits 2004 and 2005 Honda TRX450R models, helping provide an added layer of protection during riding in dusty, sandy, muddy, and wet conditions.\u003c\/p\u003e\u003cp\u003eMade from silicone-impregnated micro-mesh, the OUTERWEARS pre-filter is water resistant and engineered to help prevent unwanted contaminants from reaching the primary air filter. The material uses uniform micron-sized openings that allow air to pass through while filtering sand, dirt, clay, and water. It can filter particles as small as 0.005 inches in diameter without noticeable airflow restriction.\u003c\/p\u003e\u003cp\u003eDielectrically welded seams provide a durable, secure construction suited to demanding ATV use. Dyno and flow bench testing has shown no significant horsepower or air-intake loss when this pre-filter is installed. This helps maintain the performance characteristics of the K\u0026amp;N HA-4504 filter while extending protection between routine air-filter services. Verify the existing air-filter model and vehicle application before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFitment: Fits 2004 and 2005 Honda TRX450R ATV models\u003c\/li\u003e\n\u003cli\u003eCompatibility: Designed for use with K\u0026amp;N HA-4504 air filters\u003c\/li\u003e\n\u003cli\u003eBrand: OUTERWEARS\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 20-2077-03\u003c\/li\u003e\n\u003cli\u003eVendor part number: 25-5837R\u003c\/li\u003e\n\u003cli\u003eMaterial: Silicone-impregnated micro-mesh with water-resistant properties\u003c\/li\u003e\n\u003cli\u003eFiltration: Filters particles as small as 0.005 inches in diameter\u003c\/li\u003e\n\u003cli\u003eProtection: Helps filter sand, dirt, clay, water, and other unwanted elements\u003c\/li\u003e\n\u003cli\u003eConstruction: Dielectrically welded seams for durable performance\u003c\/li\u003e\n\u003cli\u003eAirflow: Designed to provide filtration without noticeable airflow restriction\u003c\/li\u003e\n\u003cli\u003eTesting: Dyno and flow bench testing showed no significant horsepower or air-intake loss\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2004 Honda TRX450R\u003cbr\u003e\n2005 Honda TRX450R","brand":"OUTERWEARS","offers":[{"title":"Default Title","offer_id":67574462447851,"sku":"25-5837R","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/3b28-5af3245e7df5c_5452ca6c-4aa4-4992-a5f4-160c269caad9.jpg?v=1790826068","url":"https:\/\/ctracingservices.com\/products\/outerwears-atv-pre-filter-for-k-n-ha-4504-part-number-20-2077-03","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}