{"product_id":"yamaha-yz450f-2026-s-y4met17-fdhlta","title":"YAMAHA YZ450F 2026 2026 - Akrapovic Exhausts - S-Y4MET17-FDHLTA","description":"\u003cdiv class=\"otQkpb\" aria-level=\"3\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cstrong\u003eModel Compatibility\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAICxAA\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cu class=\"wfWfIf fxyaSe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: underline dotted; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"jAOkJc\" role=\"button\" id=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-ved=\"2ahUKEwj9jeK5uPqUAxV5UkEAHXydALAQ3egRegYIAAgLEAE\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);' tabindex=\"0\"\u003eYamaha YZ450F\u003c!--TgQPHd|[]--\u003e\u003c!--TgQPHd|[[[\u0026quot;\/m\/02r3wkp\u0026quot;,\u0026quot;\u0026quot;,0,\u0026quot;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\u0026quot;,\u0026quot;AUTO\u0026quot;],\u0026quot;\u0026quot;,0,[null,null,null,1,null,null,null,null,null,null,null,null,[291933,null,1],null,null,[{\u0026quot;205\u0026quot;:[null,\u0026quot;\/m\/02r3wkp\u0026quot;],\u0026quot;1219\u0026quot;:[null,null,\u0026quot;AUTO\u0026quot;,null,null,\u0026quot;\/m\/02r3wkp\u0026quot;],\u0026quot;3524\u0026quot;:[69]}]],null,0,null,\u0026quot;\u0026quot;,0]]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/u\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e (2026)\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAICxAC\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-ved=\"2ahUKEwj9jeK5uPqUAxV5UkEAHXydALAQ0fERegYIAAgLEAM\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eYamaha YZ450F 70th Anniversary Edition\u003c!--TgQPHd|[]--\u003e\u003c!--TgQPHd|[[null,[],\u0026quot;\u0026quot;,0,null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{\u0026quot;3524\u0026quot;:[0]}]],null,null,[],null,null,null,null,\u0026quot;\u0026quot;,0]]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e (2026)\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIDBAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cem class=\"eujQNb\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eNote on Mid-Generation Changes:\u003c!--TgQPHd|[]--\u003e\u003c\/em\u003e Akrapovič engineered the \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eS-Y4MET17-FDHLTA\u003c!--TgQPHd|[[\u0026quot;SHOPPING_PRODUCT\u0026quot;,2,\u0026quot;\u0026quot;,\u0026quot;EgciAJIBApwB\u0026quot;,\u0026quot;Akrapovic S-Y4MET17-FDHLTA\u0026quot;,\u0026quot;\u0026quot;,\u0026quot;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\u0026quot;,null,0,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1],0,0,null,null,0,0,[],\u0026quot;\u0026quot;,0,0],\u0026quot;6Cwoav35BfmkhbIP_LqCgAs_1\u0026quot;]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e specifically for the updated 2026 chassis constraints and power valve mapping curves\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e. If you own a 2023–2025 variant of the \u003cu class=\"wfWfIf fxyaSe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: underline dotted; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"jAOkJc\" role=\"button\" id=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-ved=\"2ahUKEwj9jeK5uPqUAxV5UkEAHXydALAQ3egRegYIAAgMEAI\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);' tabindex=\"0\"\u003eYZ450F\u003c!--TgQPHd|[]--\u003e\u003c!--TgQPHd|[[[\u0026quot;\/m\/02r3wkp\u0026quot;,\u0026quot;\u0026quot;,0,\u0026quot;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\u0026quot;,\u0026quot;AUTO\u0026quot;],\u0026quot;\u0026quot;,0,[null,null,null,1,null,null,null,null,null,null,null,null,[291933,null,1],null,null,[{\u0026quot;205\u0026quot;:[null,\u0026quot;\/m\/02r3wkp\u0026quot;],\u0026quot;1219\u0026quot;:[null,null,\u0026quot;AUTO\u0026quot;,null,null,\u0026quot;\/m\/02r3wkp\u0026quot;],\u0026quot;3524\u0026quot;:[69]}]],null,0,null,\u0026quot;\u0026quot;,0]]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/u\u003e or the cross-country \u003cspan class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-ved=\"2ahUKEwj9jeK5uPqUAxV5UkEAHXydALAQ0fERegYIAAgMEAM\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eYZ450FX\u003c!--TgQPHd|[]--\u003e\u003c!--TgQPHd|[[null,[],\u0026quot;\u0026quot;,0,null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{\u0026quot;3524\u0026quot;:[0]}]],null,null,[],null,null,null,null,\u0026quot;\u0026quot;,0]]--\u003e\u003c\/span\u003e, you should source its direct predecessor, part number \u003c!--TgQPHd|[]--\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eS-Y4MET16-FDHLTA\u003c!--TgQPHd|[[\u0026quot;SHOPPING_PRODUCT\u0026quot;,2,\u0026quot;\u0026quot;,\u0026quot;EgciAJIBApwB\u0026quot;,\u0026quot;Akrapovic S-Y4MET16-FDHLTA\u0026quot;,\u0026quot;\u0026quot;,\u0026quot;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\u0026quot;,null,0,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1],0,0,null,null,0,0,[],\u0026quot;\u0026quot;,0,0],\u0026quot;6Cwoav35BfmkhbIP_LqCgAs_2\u0026quot;]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e.\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIDBAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"Fsg96\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 14px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" aria-level=\"3\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cstrong\u003eKey Performance Specifications\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIFhAA\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cbr\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIFxAA\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eRoad Legality\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Strictly \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003enot street legal\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e. It is designed explicitly for closed-course competition track use and completely lacks highway emissions or street-homologation approval markings.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIFxAD\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eMaterials\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Constructed entirely from high-grade, lightweight \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003etitanium alloys\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e across the headers, link sections, muffler body, and end cap. It features an upgraded surface coating on the outer sleeve for enhanced scratch resistance and easier pressure-washing.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIFxAG\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eWeight Reduction\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Shaves \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e19.7% (0.8 kg)\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e off the factory exhaust assembly weight, reducing upper-chassis mass for sharper cornering transition physics.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIFxAL\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003ePerformance Maximisation\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Unleashes an additional \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e2.4 hp (1.8 kW)\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e at 10,600 rpm with cleaner, more instantaneous low-to-mid power snapping.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIFxAQ\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eNoise Regulation Level\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Designed with a tailor-made internal profile and an integrated header resonance chamber to directly meet strict \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eFIM trackside competition noise limits\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e.\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAAIFxAT\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eTuning Requirements\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: True \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eplug-and-play\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e track setup. It functions natively alongside stock fuel configurations with \u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003eno ECU remapping required\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e out of the box.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hack-Moto","offers":[{"title":"Default Title","offer_id":53172552696074,"sku":"S-Y4MET17-FDHLTA","price":1638.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2968\/9866\/files\/S-Y4MET17-FDHLTA_25fe4168-62a8-4912-8536-59dcb446273b.jpg?v=1780918502","url":"https:\/\/www.hack-moto.co.uk\/products\/yamaha-yz450f-2026-s-y4met17-fdhlta","provider":"Hack-Moto.co.uk","version":"1.0","type":"link"}