{"product_id":"fmf-quiet-core-spark-arrestor-insert-q4-hex-part-040671","title":"FMF Quiet Core Spark Arrestor Insert Q4 Hex | Part #040671","description":"\u003cp\u003eThe \u003cstrong\u003eFMF Quiet Core Spark Arrestor Insert (Part #040671)\u003c\/strong\u003e is a precision-engineered replacement insert for the FMF Q4 Hex exhaust system on 4-stroke engines. Designed to reduce exhaust noise while maintaining peak performance, this insert helps your bike meet legal sound regulations on trails, parks, and closed-course events — without sacrificing power.\u003c\/p\u003e\u003cp\u003eBuilt from durable materials, the insert resists heat and wear over extended use, maintaining its spark-arresting and noise-dampening efficiency ride after ride. Installation and removal are tool-friendly and straightforward, making it ideal for routine maintenance or pre-ride prep.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e FMF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number (MPN):\u003c\/strong\u003e 040671\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 040671\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.5 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e FMF Q4 Hex exhaust systems, 4-stroke engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReduces exhaust noise to meet legal sound regulations\u003c\/li\u003e\n\u003cli\u003eSpark-arresting design for trail and forest use compliance\u003c\/li\u003e\n\u003cli\u003eDurable construction for long-lasting filtering efficiency\u003c\/li\u003e\n\u003cli\u003eEasy installation and removal for quick maintenance\u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of off-road 4-stroke applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIn the Box:\u003c\/strong\u003e 1x FMF Quiet Core Spark Arrestor Insert\u003c\/p\u003e","brand":"FMF","offers":[{"title":"Default Title","offer_id":47759110439153,"sku":"040671","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/1348\/7857\/files\/234621.png?v=1770012199","url":"https:\/\/howlingmoto.com\/products\/fmf-quiet-core-spark-arrestor-insert-q4-hex-part-040671","provider":"Howling Moto","version":"1.0","type":"link"}