{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"979b54b812a9","name":"Factory 4.1 RCT SL Exhaust Silencer 12-16 KTM 350 EXC-F 500 EXC - FMF 045472","sku":"06-1759.FMF.FAS","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":5,"price":{"amount":470.82,"formatted":"£470.82"},"summary":"Combining FMF Resonance Chamber Technology with robust construction, the FMF Racing Factory 4.1 RCT SL Slip-On offers refined performance and durability. This slip-on exhaust utilizes aerospace-grade materials, a lightweight aluminum body, and a stainless steel rear end cap, all engineered and manufactured in Southern California. Its compact design reduces crash susceptibility, centralizes mass, and increases RPM-range power, making it ideal for enthusiasts demanding reliability and results on closed courses. Features include internal and external Resonance Chamber Technology for optimized power, a shortened length for reduced vulnerability and mass centralization, and construction from aerospace-grade aluminum with a stainless steel rear end cap. It provides significant increases in power across the full RPM range and noticeable weight savings over stock components. Includes RTS Rapid Tuning System for quick adjustments and can be paired with FMF or OEM headers. Supplied with a screen-type spark arrestor and a 94 dB quiet insert. Item ID: 045472. Type: Slip-On. Configuration: Single. Construction: Aluminum. Finish: Natural. Midpipe: Stainless Steel. Endcap: Carbon. Spark Arrestor: Screen insert (included). Quiet Insert: 94dB insert (included). Weight: 4.8 lbs. Application Notice: Closed Course Use Only.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"209335"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1759_2EFMF_2EFAS/8cb7478aadbfdd80.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1759_2EFMF_2EFAS/8cb7478aadbfdd80.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1759_2EFMF_2EFAS/8e6834b71289a13d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1759_2EFMF_2EFAS/1dbd9e57b2fc790f.jpg"],"description":"Combining FMF Resonance Chamber Technology with robust construction, the FMF Racing Factory 4.1 RCT SL Slip-On offers refined performance and durability. This slip-on exhaust utilizes aerospace-grade materials, a lightweight aluminum body, and a stainless steel rear end cap, all engineered and manufactured in Southern California. Its compact design reduces crash susceptibility, centralizes mass, and increases RPM-range power, making it ideal for enthusiasts demanding reliability and results on closed courses. Features include internal and external Resonance Chamber Technology for optimized power, a shortened length for reduced vulnerability and mass centralization, and construction from aerospace-grade aluminum with a stainless steel rear end cap. It provides significant increases in power across the full RPM range and noticeable weight savings over stock components. Includes RTS Rapid Tuning System for quick adjustments and can be paired with FMF or OEM headers. Supplied with a screen-type spark arrestor and a 94 dB quiet insert. Item ID: 045472. Type: Slip-On. Configuration: Single. Construction: Aluminum. Finish: Natural. Midpipe: Stainless Steel. Endcap: Carbon. Spark Arrestor: Screen insert (included). Quiet Insert: 94dB insert (included). Weight: 4.8 lbs. Application Notice: Closed Course Use Only.","descriptionMarkdown":"### FMF Factory 4.1 RCT SL Slip-On Exhaust Silencer\n\nExperience enhanced performance and durability with the FMF Racing Factory 4.1 RCT SL Slip-On exhaust. This system incorporates FMF Resonance Chamber Technology™ for optimized power delivery and is constructed from aerospace-grade aluminum with a stainless steel rear end cap. Manufactured entirely in the USA, this slip-on is designed for serious off-road riders seeking reliability and improved performance on closed courses.\n\n**Key Features:**\n\n- Features FMF Resonance Chamber Technology™ for superior power output\n\n- Shortened length enhances crash resistance and centralizes mass\n\n- Constructed with a lightweight aluminum body and a durable stainless steel rear end cap\n\n- Provides significant power gains across the entire RPM range\n\n- Offers noticeable weight reduction compared to stock exhaust systems\n\n- Includes the Rapid Tuning System (RTS) for quick and easy adjustments\n\n- Compatible with FMF or OEM headers for flexible installation\n\n- Comes with a screen-type spark arrestor and a 94 dB quiet insert\n\n**Specifications:**\n\n- Type: Slip-On Exhaust\n\n- Configuration: Single\n\n- Construction Material: Aluminum\n\n- Midpipe Material: Stainless Steel\n\n- Endcap Material: Carbon\n\n- Included Spark Arrestor: Screen insert\n\n- Included Quiet Insert: 94dB\n\n- Weight: 4.8 lbs\n\n- Intended Use: Closed Course Only","weightGrams":null,"fitments":[{"make":"KTM","model":"350 EXC-F","cc":null,"notes":null,"years":"2012–2016"},{"make":"KTM","model":"500 EXC","cc":null,"notes":null,"years":"2012–2016"},{"make":"KTM","model":"500 EXC-F","cc":null,"notes":null,"years":"2012–2016"}],"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/factory-41-rct-sl-exhaust-silencer-12-16-ktm-350-exc-f-500-exc-fmf-045472","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/979b54b812a9:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/979b54b812a9:1"}},"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."]}}