{"product_id":"powerbomb-exhaust-header-03-15-yamaha-450-yfz-yz-wr-f-fmf-044033","title":"PowerBomb Exhaust Header 03-15 Yamaha 450 YFZ YZ WR F - FMF 044033","description":"\u003cp\u003eThe FMF Racing PowerBomb 044033 is a high-performance four-stroke header engineered to provide exceptional power gains and improved exhaust flow for off-road enthusiasts. Featuring FMF’s patented PowerBomb module, this header is precisely designed to increase flow by up to 10% by expanding and accelerating exhaust gas velocity. The innovative chamber design acts as a pre-muffler, helping to reduce overall sound output while delivering targeted power characteristics—ideal for competitive riders seeking both performance and compliance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNotice: Closed Course Use Only\u003c\/li\u003e\n\u003cli\u003eIncorporates FMF’s patented PowerBomb module for performance gains\u003c\/li\u003e\n\u003cli\u003eIncreases exhaust flow by nearly 10%\u003c\/li\u003e\n\u003cli\u003eExpands and cools exhaust air before ramping up velocity\u003c\/li\u003e\n\u003cli\u003ePre-muffler chamber helps decrease sound output\u003c\/li\u003e\n\u003cli\u003eMoto version designed for mid to upper RPM power delivery\u003c\/li\u003e\n\u003cli\u003eStainless steel construction for durability\u003c\/li\u003e\n\u003cli\u003eLightweight at 1.5 lbs\u003c\/li\u003e\n\u003cli\u003eFMF item ID: 044033\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Header\u003c\/li\u003e\n\u003cli\u003eHeader Construction: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eHeader Type: PowerBomb\u003c\/li\u003e\n\u003cli\u003eVersion: Moto\u003c\/li\u003e\n\u003cli\u003eWeight: 1.5 lbs\u003c\/li\u003e\n\u003cli\u003eCarb Warning: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYamaha\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWR450F (2003–2006)\u003c\/li\u003e\n\u003cli\u003eYFZ450 (2004–2009, 2012–2015)\u003c\/li\u003e\n\u003cli\u003eYZ450F (2003–2006)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FMF Exhausts","offers":[{"title":"Default Title","offer_id":63417739313482,"sku":"209701","price":259.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0897\/1249\/2874\/files\/powerbomb-exhaust-header-03-15-yamaha-450-yfz-yz-wr-f-fmf-044033-1907656.jpg?v=1788510792","url":"https:\/\/aceraceshop.co.uk\/products\/powerbomb-exhaust-header-03-15-yamaha-450-yfz-yz-wr-f-fmf-044033","provider":"ACE Race Shop","version":"1.0","type":"link"}