{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2692bf8f40d7","name":"END OF LINE Factory 4.1 RCT Exhaust Silencer 11-13 Yamaha YZ 250 F - FMF 044363","sku":"06-1755.FMF.FTN","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":417.53,"formatted":"£417.53"},"summary":"Factory 4.1 RCT Exhaust Silencer for 2011-2013 Yamaha YZ 250 F. Part No. 06-1755.FMF.FTN. FMF 044363. Features Resonance Chamber Technology. Patented core shape lowers sound level while maintaining maximum power output. Patented canister shape increases internal volume for more sound absorbing material. Patented chamber design to enhance and refine exhaust pressure. Factory Forward Engineering centralizes mass and is less prone to crash damage. Tuned exhaust with optimized core specifications for each application. Meets AMA and FIM sound requirements. Spark arrestor included in muffler. Built 100% in the U.S.A. at FMFs state-of-the-art-factory. Maintenance made easy with the removal of 4 screws on the front end cap. Compatible with stock or FMF header. For Closed Course Competition Use Only. Not Intended.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"209311"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1755_2EFMF_2EFTN/58d0db634b416ec6.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1755_2EFMF_2EFTN/58d0db634b416ec6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1755_2EFMF_2EFTN/f0a7841e964a481f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1755_2EFMF_2EFTN/5d24c466f6705a4d.jpg"],"description":"Factory 4.1 RCT Exhaust Silencer for 2011-2013 Yamaha YZ 250 F. Part No. 06-1755.FMF.FTN. FMF 044363. Features Resonance Chamber Technology. Patented core shape lowers sound level while maintaining maximum power output. Patented canister shape increases internal volume for more sound absorbing material. Patented chamber design to enhance and refine exhaust pressure. Factory Forward Engineering centralizes mass and is less prone to crash damage. Tuned exhaust with optimized core specifications for each application. Meets AMA and FIM sound requirements. Spark arrestor included in muffler. Built 100% in the U.S.A. at FMFs state-of-the-art-factory. Maintenance made easy with the removal of 4 screws on the front end cap. Compatible with stock or FMF header. For Closed Course Competition Use Only. Not Intended.","descriptionMarkdown":"### FMF Factory 4.1 RCT Exhaust Silencer\n\nExperience peak performance and reduced sound levels with the FMF Factory 4.1 RCT Exhaust Silencer. Engineered for demanding riders, this silencer combines cutting-edge technology with FMF's renowned craftsmanship.\n\n**Key Features:**\n\n \n- Resonance Chamber Technology: Incorporates a patented core shape that lowers sound levels while maximizing power output.\n \n- Increased Internal Volume: Features a patented canister shape that enhances internal volume for superior sound absorption.\n \n- Optimized Exhaust Pressure: Utilizes a patented chamber design to refine and enhance exhaust pressure.\n \n- Factory Forward Engineering: Centralizes mass, making the silencer less susceptible to damage from impacts.\n \n- Tuned Performance: Each exhaust is tuned with optimized core specifications specific to its application.\n \n- AMA and FIM Compliant: Meets AMA and FIM sound regulations for competition use.\n \n- Integrated Spark Arrestor: Includes a spark arrestor directly within the muffler.\n \n- Premium Construction: Built 100% in the U.S.A. at FMF's advanced manufacturing facility.\n \n- Easy Maintenance: Front end cap removal is simplified with just four screws.\n \n- Versatile Compatibility: Designed to work seamlessly with stock or FMF headers.\n\n**Note:** This product is intended for closed course competition use only and is not street legal.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2010–2013"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2011–2013"}],"collections":[{"name":"Exhaust Systems & Parts","url":"https://www.2brosparts.com/api/agent/collection/GB/exhaust-systems-parts"},{"name":"Silencer","url":"https://www.2brosparts.com/api/agent/collection/GB/silencer"}],"links":{"page":"https://www.2brosparts.com/products/end-of-line-factory-41-rct-exhaust-silencer-11-13-yamaha-yz-250-f-fmf-044363","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2692bf8f40d7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2692bf8f40d7:1"}},"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."]}}