{"product_id":"outerwears-atv-pre-filter-stock-for-yamaha-yfz450-part-number-20-1935-01","title":"OUTERWEARS ATV Pre-Filter Stock for Yamaha YFZ450, Part Number 20-1935-01","description":"\u003cp\u003eThe OUTERWEARS ATV Pre-Filter Stock is designed to provide an added layer of protection for the air filter on compatible Yamaha YFZ450 models. Manufactured by OUTERWEARS, this pre-filter uses silicone-impregnated micro-mesh to help shield the engine air intake from sand, dirt, clay, and water while maintaining efficient airflow. Its stock-style design supports straightforward installation over the compatible air filter.\u003c\/p\u003e\u003cp\u003eDyno and flow bench testing has shown no significant loss of horsepower or air intake performance when using this product. The material features uniform micron-sized openings that filter particles as small as .005 inches in diameter without noticeable airflow restriction. The water-resistant silicone treatment helps limit moisture intrusion, making this pre-filter a practical choice for off-road riding conditions where dust, debris, and water can affect air filter performance.\u003c\/p\u003e\u003cp\u003eSeams are dielectrically welded for durable construction and reliable protection during repeated use. The OUTERWEARS part number is 20-1935-01, and the manufacturer and vendor part number is 20-1935-01. Fitment includes the 2004–2009 Yamaha YFZ450, as well as the 2006 Yamaha YFZ450 Bill Balance Edition and 2007–2008 Yamaha YFZ450 SE. Confirm the model year and airbox configuration before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: OUTERWEARS\u003c\/li\u003e\n\u003cli\u003ePart Number: 20-1935-01\u003c\/li\u003e\n\u003cli\u003eApplication: Stock-style ATV pre-filter for compatible Yamaha YFZ450 models\u003c\/li\u003e\n\u003cli\u003eAir Protection: Filters particles as small as .005 inches in diameter\u003c\/li\u003e\n\u003cli\u003eMaterial: Silicone-impregnated micro-mesh with water-resistant properties\u003c\/li\u003e\n\u003cli\u003eAirflow: Designed to maintain air intake performance without noticeable restriction\u003c\/li\u003e\n\u003cli\u003eConstruction: Dielectrically welded seams for durable use\u003c\/li\u003e\n\u003cli\u003eFitment: 2004–2009 Yamaha YFZ450, 2006 Yamaha YFZ450 Bill Balance Edition, and 2007–2008 Yamaha YFZ450 SE\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2004 Yamaha YFZ450\u003cbr\u003e\n2005 Yamaha YFZ450\u003cbr\u003e\n2006 Yamaha YFZ450\u003cbr\u003e\n2006 Yamaha YFZ450 Bill Balance Edition\u003cbr\u003e\n2007 Yamaha YFZ450\u003cbr\u003e\n2007 Yamaha YFZ450 Bill Balance Edition\u003cbr\u003e\n2007 Yamaha YFZ450 SE\u003cbr\u003e\n2008 Yamaha YFZ450\u003cbr\u003e\n2008 Yamaha YFZ450 SE\u003cbr\u003e\n2009 Yamaha YFZ450","brand":"OUTERWEARS","offers":[{"title":"Default Title","offer_id":67574462152939,"sku":"25-5839","price":29.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/ec32-572a5ec12a365_f355aa5d-1630-4675-b3a9-20486bd0d800.jpg?v=1790826034","url":"https:\/\/ctracingservices.com\/products\/outerwears-atv-pre-filter-stock-for-yamaha-yfz450-part-number-20-1935-01","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}