{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5540db500c05","name":"MegaBomb Exhaust Header 18-20 Yamaha WR YZ 450 F FX - FMF 044439","sku":"06-1784.HDR.MBS","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":5,"price":{"amount":400.24,"formatted":"£400.24"},"summary":"The FMF Racing Stainless MegaBomb 044439 is a high-performance header designed for single-sided exhaust systems, excluding part number 014553. This stainless steel header is intended for closed course use only and delivers improvements in power and throttle response. It is lightweight and durable, engineered for Yamaha motocross and enduro models. Features include construction from high-grade stainless steel for strength and reduced weight, MegaBomb design to increase horsepower and low-end torque, and direct replacement fitment. Specifications include FMF Item ID 044439, header type MegaBomb, single configuration, stainless steel material, and no carb warning.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Header Pipe"},{"label":"Variant Id","value":"209406"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1784_2EHDR_2EMBS/488ef26d55501232.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1784_2EHDR_2EMBS/488ef26d55501232.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1784_2EHDR_2EMBS/029cc2317e94eeba.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1784_2EHDR_2EMBS/8f025aed375acce7.jpg"],"description":"The FMF Racing Stainless MegaBomb 044439 is a high-performance header designed for single-sided exhaust systems, excluding part number 014553. This stainless steel header is intended for closed course use only and delivers improvements in power and throttle response. It is lightweight and durable, engineered for Yamaha motocross and enduro models. Features include construction from high-grade stainless steel for strength and reduced weight, MegaBomb design to increase horsepower and low-end torque, and direct replacement fitment. Specifications include FMF Item ID 044439, header type MegaBomb, single configuration, stainless steel material, and no carb warning.","descriptionMarkdown":"### FMF Racing MegaBomb Exhaust Header\n\nThe FMF Racing Stainless MegaBomb is a high-performance header designed to optimize power and throttle response for single-sided exhaust systems. Crafted from high-grade stainless steel, this header offers enhanced strength and reduced weight for a competitive edge.\n\n**Key Features:**\n\n- Manufactured from premium stainless steel for superior durability and a lighter feel.\n\n- The innovative MegaBomb design is engineered to boost horsepower and low-end torque.\n\n- Specifically designed for single exhaust configurations.\n\n- This part is intended for closed course use only and is not approved for road use.\n\n- Engineered for a direct replacement of the stock header, ensuring a precise fit.\n\n**Specifications:**\n\n- Type: Exhaust Header\n\n- Header Style: MegaBomb\n\n- Configuration: Single\n\n- Material: Stainless Steel","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2019–2024"},{"make":"YAMAHA","model":"WRF 450","cc":null,"notes":null,"years":"2019"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2018–2026"},{"make":"YAMAHA","model":"YZ 450FX","cc":null,"notes":null,"years":"2019–2025"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"2018–2020"},{"make":"YAMAHA","model":"YZF X 450","cc":null,"notes":null,"years":"2019–2020"}],"collections":[{"name":"Exhaust Systems & Parts","url":"https://www.2brosparts.com/api/agent/collection/GB/exhaust-systems-parts"},{"name":"Header Pipe","url":"https://www.2brosparts.com/api/agent/collection/GB/header-pipe"}],"links":{"page":"https://www.2brosparts.com/products/megabomb-exhaust-header-18-20-yamaha-wr-yz-450-f-fx-fmf-044439","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/5540db500c05:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/5540db500c05:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}