{"product_id":"cobra-909-twins-4-slip-ons-black-flsb-18-22-2018-2025-82-96072","title":"Cobra 909-TWINS 4\" SLIP-ONS BLACK FLSB 18-22 - 2018-2025 — Harley-Davidson Softail Fat Boy 114, Softail Fat Boy (2018-2022)","description":"\u003cp\u003eCobra 909-twins 4\" slip-on mufflers in black for 2018-2022 Harley-Davidson Fat Boy S (FLSB), delivering classic Harley tone through a 2.25\" perforated core with a stealth-style downward angle tip design. Made in the USA and 50-state street legal.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4\" twin muffler ends with downward angle profile\u003c\/li\u003e\n  \u003cli\u003eScalloped twin tips with no visible external screws\u003c\/li\u003e\n  \u003cli\u003e2.25\" perforated core for traditional Harley sound\u003c\/li\u003e\n  \u003cli\u003eBlack finish\u003c\/li\u003e\n  \u003cli\u003e50-state street legal\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Cobra\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 6520B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 33.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 5.25 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 11.68 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits 2018-2022 Harley-Davidson Fat Boy S (FLSB) models.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDo these require a tune or ECU flash?\u003c\/h3\u003e\n\u003cp\u003eSlip-ons alone typically do not require remapping. A fuel tune may optimize performance if running with other modifications.\u003c\/p\u003e\n\u003ch3\u003eAre they street legal?\u003c\/h3\u003e\n\u003cp\u003eYes — 50-state street legal and EPA compliant.\u003c\/p\u003e\n\u003ch3\u003eWhat sound can I expect?\u003c\/h3\u003e\n\u003cp\u003eThe 2.25\" perforated core delivers a classic, recognizable Harley tone — not overly aggressive.\u003c\/p\u003e\n\u003ch3\u003eIs installation difficult?\u003c\/h3\u003e\n\u003cp\u003eThese bolt directly onto stock head pipes in place of factory mufflers. Basic mechanical skills and hand tools are typically sufficient.\u003c\/p\u003e","brand":"Cobra","offers":[{"title":"Default Title","offer_id":53036081021039,"sku":"82-96072","price":370.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/0aae-67800477d8188.jpg?v=1777531560","url":"https:\/\/vtwinbikers.com\/products\/cobra-909-twins-4-slip-ons-black-flsb-18-22-2018-2025-82-96072","provider":"Vtwinbikers","version":"1.0","type":"link"}