{"product_id":"upgrade-your-yamaha-yz450f-with-the-hgs-full-exhaust-system-featuring-an-alloy-silencer-and-steel-header-race-developed-for-maximum-power-improved-throttle-response-and-championship-winning-performance","title":"HGS Full Exhaust System Alloy\/Steel – Yamaha YZ450F (2026-Onwards)","description":"\u003cdiv style=\"line-height:1.65; color:#111;\"\u003e\n\n\u003cp style=\"font-size:16px; margin:0 0 18px;\"\u003e\nThe HGS Full Exhaust System Alloy\/Steel for the Yamaha YZ450F has been developed through world championship motocross racing to deliver maximum engine performance, sharper throttle response and increased power throughout the rev range. Featuring a lightweight alloy silencer paired with a precision-engineered steel header pipe, this complete exhaust system offers the ideal combination of performance, durability and reliability for riders demanding race-winning results.\n\u003c\/p\u003e\n\n\u003cdiv style=\"background:#f7f7f7; border:1px solid #e5e5e5; border-left:5px solid #e21b23; padding:22px; border-radius:14px; margin:24px 0;\"\u003e\n\n\u003ch3 style=\"margin:0 0 12px; text-transform:uppercase;\"\u003eFitment\u003c\/h3\u003e\n\n\u003cul style=\"margin:0; padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamaha YZ450F:\u003c\/strong\u003e 2026 Onwards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e 450cc 4-Stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Complete HGS Full Exhaust System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilencer Finish:\u003c\/strong\u003e Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader:\u003c\/strong\u003e HGS Performance Steel Front Pipe Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003ch3 style=\"margin:24px 0 10px; text-transform:uppercase;\"\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete HGS full exhaust system\u003c\/li\u003e\n\u003cli\u003eLightweight alloy silencer\u003c\/li\u003e\n\u003cli\u003eHigh-quality steel header pipe included\u003c\/li\u003e\n\u003cli\u003eImproved throttle response and acceleration\u003c\/li\u003e\n\u003cli\u003eIncreased horsepower and torque throughout the rev range\u003c\/li\u003e\n\u003cli\u003eOptimised exhaust gas flow for maximum engine efficiency\u003c\/li\u003e\n\u003cli\u003eWeight-saving design compared to OEM exhaust systems\u003c\/li\u003e\n\u003cli\u003eManufactured from premium racing-grade materials\u003c\/li\u003e\n\u003cli\u003eHand-built in the Netherlands\u003c\/li\u003e\n\u003cli\u003eRace-proven by world championship motocross teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"background:#111; color:#fff; padding:24px; border-radius:14px; margin:26px 0;\"\u003e\n\n\u003ch3 style=\"margin:0 0 12px; color:#e21b23; text-transform:uppercase;\"\u003eWhy Choose HGS?\u003c\/h3\u003e\n\n\u003cp style=\"margin:0;\"\u003e\nHGS exhaust systems are trusted by professional motocross and enduro teams around the world. Every system is hand-built to provide exceptional power gains, precise fitment and long-lasting durability. The Alloy\/Steel Full Exhaust System is the ideal choice for riders looking for championship-level performance with the strength and reliability of a steel header pipe.\n\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#fff; border:1px solid #ddd; padding:22px; border-radius:14px; margin:24px 0;\"\u003e\n\n\u003ch3 style=\"margin:0 0 10px; text-transform:uppercase;\"\u003eNeed Help Choosing the Right Exhaust?\u003c\/h3\u003e\n\n\u003cp style=\"margin:0;\"\u003e\nContact Progressive Performance for expert advice on HGS exhaust systems, engine tuning and motorcycle performance upgrades. We'll help you choose the perfect exhaust setup for your Yamaha YZ450F.\n\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HGS","offers":[{"title":"Default Title","offer_id":57046767763834,"sku":"HGYZF45026ST","price":894.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/1358\/6810\/files\/27974ade046049bfb94cdbc4f0fea5a6_A_2_PIA-464411_0_10.avif?v=1780563608","url":"https:\/\/progressive-performance.co.uk\/products\/upgrade-your-yamaha-yz450f-with-the-hgs-full-exhaust-system-featuring-an-alloy-silencer-and-steel-header-race-developed-for-maximum-power-improved-throttle-response-and-championship-winning-performance","provider":"Progressive-Performance","version":"1.0","type":"link"}