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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=\"2ahUKEwiWiYCOvPqUAxUVUkEAHaMwCFUQ3egRegYIAAgNEAc\" 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 WR450F\u003c!--TgQPHd|[]--\u003e\u003c!--TgQPHd|[[[\u0026quot;\/hkb\/Cg4KCGxhbmd1YWdlEgJlbgoMCgR0eXBlEgRBVVRPChwKC2VudGl0eV9uYW1lEg15YW1haGEgd3I0NTBm\u0026quot;,\u0026quot;Yamaha WR450F\u0026quot;,0,\u0026quot;EowGCswFQU1uMy15UVpQWFlFSVh3SWhPOU5iTkRmWmt1MnlhX2dJWEt6M0sxVnc3MFYwY2V4MUhJTXBOY0t1TDlEZ2RyeWZzREQxcjBfWFVES3A3X2lrel9NQzFHSEVseGVGWkUzSmZGWmwwM0NuZUhxblg4dS1nZXNydWpEczB4aF9NcmliZ0hRR1UyeEtWU01TcEpqMkVzWnhOd1VoYmx4ZUQ4Vy1qQW4xbFVXZjJYa1E5Qy0xQ3BFYmtyZFJiWlFseEwxSnUxdXh0VlluT0Y0UzZ3Ql9XN0tvSkxkVkhCMmVOcVY1dFNUM2RXNWthZlZ6MU9qUzlVSWdXeEFOVGtBaEM1Zm14TGtHQVRqbUtWNGF3VzY4anZZOEh6Q3Z1dDVobnZpYXU2STctVjI0bGdfZ1JPQ1lCMmJUNkZaLXF2VTVLYjF0eDdWTl9xUlpFX3NETWNUdWk3bVl3TDFmbUk1OGo0Z0xIUThNSDFnczE4dVZINU9LR2t4WGpybTN1aVdRQ0ozVmNWNVJ1ZVVKaW5NZ3NKZzM5VXd2c244SVZrMzRVRGJJbllySmVJaS1JOGk3b1I0V2tSLU1FQ09JT2lKV1BOU0p5QURVWkY3SFR1M1FjSTZXc3FrOWpRZnFwc2J5UW1DaTFVOGFVWTctYWMtX1p5LVNLdER0amx3cXlXSzdWd0l5bmViLUE2MzNyZ2Z4LXZXaEFUNnBfNXFCZFR2bXM2U1F3bHlwRDNhVWJJMGJWVnNURXkxNXItWllYRkdhMjl5SWpvZkViaGxIdVV0OTRRRDM1SGswV2pZTVQ0ZUEzNHIxQ1FtYVFKc1E1enhoMkJrNkIzb3RfT1RFVmdhSk5KOFRIaXJWWGI0aXJrSG5WVTh4LXRzQTF3dWZEV1pJOXJXYjVINlJRTFRNZ1Y2eVJuTHphLVdoenpDcmNLV0lROGxmWU9iQUZ3VVJReUgSF3ZqQW9hcGF5QTVXa2hiSVBvLUdncUFVGiJBSktMRm1JbkdwcWJ4VnBLQzZCTm1iSWl0TU8xUFNndVZ3\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;\/hkb\/Cg4KCGxhbmd1YWdlEgJlbgoMCgR0eXBlEgRBVVRPChwKC2VudGl0eV9uYW1lEg15YW1haGEgd3I0NTBm\u0026quot;],\u0026quot;1219\u0026quot;:[null,null,\u0026quot;AUTO\u0026quot;,null,null,\u0026quot;\/hkb\/Cg4KCGxhbmd1YWdlEgJlbgoMCgR0eXBlEgRBVVRPChwKC2VudGl0eV9uYW1lEg15YW1haGEgd3I0NTBm\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 (2020–2023)\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=\"CAAIDRAI\" 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 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);'\u003eFantic XEF 450\u003c!--TgQPHd|[[\u0026quot;SHOPPING_PRODUCT\u0026quot;,2,\u0026quot;\u0026quot;,\u0026quot;EgciAJIBApwB\u0026quot;,\u0026quot;Fantic XEF 450 2022-2024\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;vjAoapayA5WkhbIPo-GgqAU_1\u0026quot;]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e (2022–2024) \u003cem class=\"eujQNb\" 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\u003c!--TgQPHd|[]--\u003e\u003c\/em\u003e\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=\"CAAIDRAK\" 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=\"2ahUKEwiWiYCOvPqUAxUVUkEAHaMwCFUQ3egRegYIAAgNEAs\" 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\"\u003eFantic XXF 450\u003c!--TgQPHd|[]--\u003e\u003c!--TgQPHd|[[[\u0026quot;\/hkb\/Cg4KCGxhbmd1YWdlEgJlbgoMCgR0eXBlEgRBVVRPCh0KC2VudGl0eV9uYW1lEg5mYW50aWMgeHhmIDQ1MA\\u003d\\u003d\u0026quot;,\u0026quot;Fantic XXF 450\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;\/hkb\/Cg4KCGxhbmd1YWdlEgJlbgoMCgR0eXBlEgRBVVRPCh0KC2VudGl0eV9uYW1lEg5mYW50aWMgeHhmIDQ1MA\\u003d\\u003d\u0026quot;],\u0026quot;1219\u0026quot;:[null,null,\u0026quot;AUTO\u0026quot;,null,null,\u0026quot;\/hkb\/Cg4KCGxhbmd1YWdlEgJlbgoMCgR0eXBlEgRBVVRPCh0KC2VudGl0eV9uYW1lEg5mYW50aWMgeHhmIDQ1MA\\u003d\\u003d\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 (2022–2024)\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=\"CAAIDxAA\" 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 Later Generations:\u003c!--TgQPHd|[]--\u003e\u003c\/em\u003e If you own a 2023 or newer generation of the YZ450F, this exhaust will not physically bolt up due to a total frame redesign and altered exhaust mounting paths introduced that year. Newer bikes require part numbers \u003ccode dir=\"ltr\" class=\"KDcb0c\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style=\"font-family: monospace; font-size: 14px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 1.25px solid rgb(240, 242, 245);\"\u003eS-Y4MET16-FDHLTA\u003c!--TgQPHd|[]--\u003e\u003c\/code\u003e (2023–2025) or \u003ccode dir=\"ltr\" class=\"KDcb0c\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-sae=\"\" data-copy-service-computed-style=\"font-family: monospace; font-size: 14px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 1.25px solid rgb(240, 242, 245);\"\u003eS-Y4MET17-FDHLTA\u003c!--TgQPHd|[]--\u003e\u003c\/code\u003e (2026).\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=\"CAAIDxAA\" 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\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=\"CAAIGBAA\" 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 an un-catalysed, non-homologated professional system engineered solely for closed-course competition track environments.\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=\"CAAIGBAF\" 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);'\u003ePremium Titanium Materials\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: The entire layout—including the header loop, conical link sections, internal cores, and outer muffler body sleeve—is crafted from lightweight, high-grade \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 alloy\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e. It finishes with a heavy-duty, reinforced welded mounting bracket.\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=\"CAAIGBAI\" 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: Considerably lighter than the original factory-installed pipe assembly, cutting system mass to optimize high-speed transitions and side-to-side cornering agility.\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=\"CAAIGBAL\" 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: Yields an extra \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);'\u003e1.1 hp (+0.8 kW)\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e at 9,900 rpm and adds \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);'\u003e0.7 Nm\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e of torque at 6,300 rpm, delivering smoother low-end snap and significantly crisper throttle response.\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=\"CAAIGBAO\" 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 Compliance\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e: Engineered featuring an integrated header expansion resonance chamber to smooth out exhaust pulses and guarantee full compliance 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);'\u003eFIM racetrack noise barriers\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e.\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=\"CAAIGBAR\" 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\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 installation. The architecture adapts naturally to standard factory power tracking, meaning \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 mandatory ECU remapping or mapping adjustments are required\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e out of the box\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hack-Moto","offers":[{"title":"Default Title","offer_id":53172552302858,"sku":"S-Y4MET15-CIBNTA","price":1316.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2968\/9866\/files\/S-Y4MET15-CIBNTA_bc86baac-cb4b-495a-a9bf-db26326d79ef.jpg?v=1780918500","url":"https:\/\/www.hack-moto.co.uk\/products\/yamaha-yz450f-s-y4met15-cibnta","provider":"Hack-Moto.co.uk","version":"1.0","type":"link"}