{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4fd7fe725b3a","name":"Factory 4.1 RCT Exhaust Silencer 22-24 Honda CRF 250 R RX - FMF 041610","sku":"07-4008.F41.A","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":635.5,"formatted":"£635.50"},"summary":"The FMF Racing Factory 4.1 RCT Stainless Slip-On utilizes Resonance Chamber Technology for optimized exhaust flow and performance. Its reduced overall length improves durability and crash resistance, while Factory Forward Engineering centralizes mass. Precision-manufactured from aerospace-grade materials, this slip-on delivers significant power gains and weight savings. It features a rapid tuning system for easy adjustments, a natural aluminium muffler, and a carbon fibre end cap. Includes screen-type spark arrestor and 94dB quiet insert. For closed course competition use only. Item ID: 041610. Type: Slip-On. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe: Stainless Steel. Endcap: Carbon Fibre. Spark Arrestor: Screen insert (included). Quiet Insert: 94dB insert (included).","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/07-4008_2EF41_2EA/a6e1cfbab2d09d6a.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/07-4008_2EF41_2EA/a6e1cfbab2d09d6a.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/07-4008_2EF41_2EA/ed7a3e76a226517d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/07-4008_2EF41_2EA/4af919255ee71086.jpg"],"description":"The FMF Racing Factory 4.1 RCT Stainless Slip-On utilizes Resonance Chamber Technology for optimized exhaust flow and performance. Its reduced overall length improves durability and crash resistance, while Factory Forward Engineering centralizes mass. Precision-manufactured from aerospace-grade materials, this slip-on delivers significant power gains and weight savings. It features a rapid tuning system for easy adjustments, a natural aluminium muffler, and a carbon fibre end cap. Includes screen-type spark arrestor and 94dB quiet insert. For closed course competition use only. Item ID: 041610. Type: Slip-On. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe: Stainless Steel. Endcap: Carbon Fibre. Spark Arrestor: Screen insert (included). Quiet Insert: 94dB insert (included).","descriptionMarkdown":"### FMF Racing Factory 4.1 RCT Exhaust Silencer\n\nThe FMF Racing Factory 4.1 RCT Stainless Slip-On exhaust system is engineered to optimize exhaust flow and performance using advanced Resonance Chamber Technology™ both internally and externally. Its innovative design features a reduced overall length for enhanced durability and improved crash resistance. The Factory Forward Engineering centralizes mass by positioning the muffler closer to the engine, contributing to better handling and maneuverability.\n\nPrecision-manufactured in Southern California from aerospace-grade materials, this slip-on delivers significant power gains across the entire RPM range and offers substantial weight savings compared to stock exhaust systems. It includes a rapid tuning system for easy adjustments, allowing riders to fine-tune their machine's performance.\n\n**Key Features:**\n\n- Incorporates FMF Resonance Chamber Technology™ for enhanced performance.\n\n- Shorter muffler length reduces the risk of crash damage and optimizes weight distribution.\n\n- Constructed using aerospace-grade materials manufactured to FMF's stringent specifications.\n\n- Provides massive power gains across the RPM range.\n\n- Offers substantial weight savings compared to stock exhaust systems.\n\n- Features a Rapid Tuning System (RTS) for quick and simple performance adjustments.\n\n- Equipped with a natural aluminum muffler and a carbon fiber end cap for a premium look and feel.\n\n- Includes a screen-type spark arrestor to prevent sparks and a 94dB quiet insert for noise reduction.\n\n- Designed for closed course competition use only.\n\n**Specifications:**\n\n- Type: Slip-On Exhaust System\n\n- Configuration: Single muffler\n\n- Muffler Construction: Aluminum\n\n- Muffler Finish: Natural\n\n- Midpipe Material: Stainless Steel\n\n- Endcap Material: Carbon Fiber\n\n- Spark Arrestor: Screen insert included\n\n- Quiet Insert: 94dB insert included","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2022–2024"},{"make":"HONDA","model":"CRF 250RX","cc":null,"notes":null,"years":"2022–2024"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/factory-41-rct-exhaust-silencer-22-24-honda-crf-250-r-rx-fmf-041610","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4fd7fe725b3a:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4fd7fe725b3a: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."]}}