{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ad6187639942","name":"END OF LINE FACTORY 4.1 RCT EXHAUST SILENCER 2014-2017 HONDA CRF 250 R - FMF 041525","sku":"06-1975.FMF.FAC","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":407.39,"formatted":"£407.39"},"summary":"The FMF Factory 4.1 RCT exhaust silencer features Resonance Chamber Technology internally and externally for improved performance. Its shorter overall length is designed to reduce susceptibility to crash damage and complements Factory Forward Engineering, which moves the muffler closer to the motor for mass centralization. Constructed from aerospace-grade materials, this slip-on exhaust has a natural aluminum muffler with a carbon end cap and a stainless steel midpipe. It includes a screen insert spark arrestor and a 94 dB quiet insert. Closed course use only. Manufacturer reference: FMF 041525. Item ID: 041525. Configuration: Single. Construction: Aluminum. Finish: Natural. Endcap: Carbon. Spark arrestor: Screen insert (included). Quiet insert: 94 dB insert (included). Carb warning: No. Manufacturer: FMF Exhausts. Weight: 3852 grams.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"209562"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1975_2EFMF_2EFAC/6b183557f0a5fe8c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1975_2EFMF_2EFAC/6b183557f0a5fe8c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1975_2EFMF_2EFAC/2ec4236dcc7956e8.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1975_2EFMF_2EFAC/bf70ceec54ec20d0.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1975_2EFMF_2EFAC/e1521e1e4f02a7c0.jpg"],"description":"The FMF Factory 4.1 RCT exhaust silencer features Resonance Chamber Technology internally and externally for improved performance. Its shorter overall length is designed to reduce susceptibility to crash damage and complements Factory Forward Engineering, which moves the muffler closer to the motor for mass centralization. Constructed from aerospace-grade materials, this slip-on exhaust has a natural aluminum muffler with a carbon end cap and a stainless steel midpipe. It includes a screen insert spark arrestor and a 94 dB quiet insert. Closed course use only. Manufacturer reference: FMF 041525. Item ID: 041525. Configuration: Single. Construction: Aluminum. Finish: Natural. Endcap: Carbon. Spark arrestor: Screen insert (included). Quiet insert: 94 dB insert (included). Carb warning: No. Manufacturer: FMF Exhausts. Weight: 3852 grams.","descriptionMarkdown":"### FMF Factory 4.1 RCT Exhaust Silencer\n\nExperience the pinnacle of exhaust technology with the FMF Factory 4.1 RCT. This silencer integrates FMF's advanced Resonance Chamber Technology™ both internally and externally, optimizing exhaust flow and sound. Its meticulously engineered shorter overall length enhances durability by reducing susceptibility to crash damage. Furthermore, the Factory Forward Engineering design positions the muffler closer to the motor, improving mass centralization for better handling.\n\nConstructed entirely from aerospace-grade materials, this silencer meets FMF's exacting specifications and is proudly manufactured in Southern California. It's designed to deliver power gains across the entire RPM range and offer a significant weight reduction compared to stock systems, providing a competitive edge on the track.\n\n**Key Features:**\n\n \n- Resonance Chamber Technology™ for enhanced performance.\n \n- Shorter profile designed to minimize damage from impacts.\n \n- Factory Forward Engineering for improved weight balance.\n \n- Natural aluminum muffler body with a premium carbon fiber end cap.\n \n- Claims of power gains across the RPM range (manufacturer stated).\n \n- Claims of reduced weight compared to original equipment (manufacturer stated).\n \n- RTS (Rapid Tuning System) for easy adjustments.\n \n- Manufactured using a proprietary blend of alloy-grade titanium (manufacturer stated).\n \n- Designed for closed course use only.\n\n**Specifications:**\n\n \n- Type: Slip-On\n \n- Configuration: Single\n \n- Muffler Construction: Aluminum\n \n- Muffler Finish: Natural\n \n- Midpipe Material: Stainless Steel\n \n- End Cap Material: Carbon Fiber\n \n- Included Spark Arrestor: Screen insert\n \n- Included Quiet Insert: 94 dB insert\n \n- Carb Warning: No","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 250","cc":null,"notes":null,"years":"2014–2017"},{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2014–2017"},{"make":"HONDA","model":"CRF 450","cc":null,"notes":null,"years":"2013–2016"},{"make":"HONDA","model":"CRF 450R","cc":null,"notes":null,"years":"2013–2016"}],"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-2014-2017-honda-crf-250-r-fmf-041525","buyOneNow":null,"basketWithThis":null}},"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."]}}