{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a7e7353ab95c","name":"Factory 4.1 RCT Exhaust Silencer 18-23 KTM Husqvarna GasGas 350 450 - FMF 045629","sku":"06-9907.F4TA","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":804.88,"formatted":"£804.88"},"summary":"Engineered for peak off-road and motocross performance, the FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On exhaust with Carbon Cap delivers unrivalled power gains and weight savings. Integrating advanced FMF Resonance Chamber Technology both inside and out, this slip-on silencer shortens overall system length for improved crash resistance and mass centralisation. Manufactured exclusively from aerospace-grade titanium and carbon materials in Southern California, the Factory 4.1 RCT exemplifies precision, durability, and competitive advantage. Features include closed course use only, aerospace-grade proprietary alloy titanium construction, blue anodised titanium muffler with carbon fibre end cap for weight reduction and modern aesthetics, massive power gains realised throughout the RPM range, enhanced centralisation by positioning the muffler closer to the motor, short overall length that resists crash damage, new RTS Rapid Tuning System allows quick insert changes, spark arrestor screen insert included, 94dB quiet insert included, and designed for single slip-on configuration. Manufactured 100% in the USA. Specifications include FMF Item ID 045629, Type Slip-On, Configuration Single, Construction Titanium, Finish Blue Anodised, Midpipe Titanium, Endcap Carbon, Spark Arrestor Screen Insert included, Carburettor Warning No, Quiet Insert 94dB Insert included, and Weight 6.8 lbs approximately 3.1 kg.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"287709"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9907_2EF4TA/00864d6fe2e56e56.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9907_2EF4TA/00864d6fe2e56e56.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9907_2EF4TA/9fda25fa8fc24a6d.jpg"],"description":"Engineered for peak off-road and motocross performance, the FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On exhaust with Carbon Cap delivers unrivalled power gains and weight savings. Integrating advanced FMF Resonance Chamber Technology both inside and out, this slip-on silencer shortens overall system length for improved crash resistance and mass centralisation. Manufactured exclusively from aerospace-grade titanium and carbon materials in Southern California, the Factory 4.1 RCT exemplifies precision, durability, and competitive advantage. Features include closed course use only, aerospace-grade proprietary alloy titanium construction, blue anodised titanium muffler with carbon fibre end cap for weight reduction and modern aesthetics, massive power gains realised throughout the RPM range, enhanced centralisation by positioning the muffler closer to the motor, short overall length that resists crash damage, new RTS Rapid Tuning System allows quick insert changes, spark arrestor screen insert included, 94dB quiet insert included, and designed for single slip-on configuration. Manufactured 100% in the USA. Specifications include FMF Item ID 045629, Type Slip-On, Configuration Single, Construction Titanium, Finish Blue Anodised, Midpipe Titanium, Endcap Carbon, Spark Arrestor Screen Insert included, Carburettor Warning No, Quiet Insert 94dB Insert included, and Weight 6.8 lbs approximately 3.1 kg.","descriptionMarkdown":"### FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On Exhaust with Carbon Cap\n\nEngineered for peak off-road and motocross performance, the FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On exhaust with Carbon Cap delivers unrivalled power gains and weight savings. Integrating advanced FMF Resonance Chamber Technology™ both inside and out, this slip-on silencer shortens overall system length for improved crash resistance and mass centralisation. Manufactured exclusively from aerospace-grade titanium and carbon materials in Southern California, the Factory 4.1 RCT exemplifies precision, durability, and competitive advantage.\n\n**Key Features:**\n\n- Closed course use only\n\n- Aerospace-grade proprietary alloy titanium construction\n\n- Blue anodised titanium muffler with carbon fibre end cap for weight reduction and modern aesthetics\n\n- Massive power gains realised throughout the RPM range\n\n- Enhanced centralisation by positioning the muffler closer to the motor\n\n- Short overall length resists crash damage\n\n- New RTS (Rapid Tuning System) allows quick insert changes\n\n- Spark arrestor screen insert included\n\n- 94dB quiet insert included\n\n- Designed for single slip-on configuration\n\n- Manufactured 100% in the USA\n\n**Specifications:**\n\n- Type: Slip-On\n\n- Configuration: Single\n\n- Construction: Titanium\n\n- Finish: Blue Anodised\n\n- Midpipe: Titanium\n\n- Endcap: Carbon\n\n- Spark Arrestor: Screen Insert (included)\n\n- Quiet Insert: 94dB Insert (included)\n\n- Approximate Weight: 6.8 lbs (3.1 kg)","weightGrams":null,"fitments":[{"make":"GASGAS","model":"EX 250F","cc":null,"notes":null,"years":"2021–2023"},{"make":"GASGAS","model":"EX 350F","cc":null,"notes":null,"years":"2021–2023"},{"make":"GASGAS","model":"EX 450F","cc":null,"notes":null,"years":"2021–2023"},{"make":"GASGAS","model":"MC 250F","cc":null,"notes":null,"years":"2021–2023"},{"make":"GASGAS","model":"MC 350F","cc":null,"notes":null,"years":"2021–2023"},{"make":"GASGAS","model":"MC 450F","cc":null,"notes":null,"years":"2021–2023"},{"make":"HUSQVARNA","model":"FC 250","cc":null,"notes":null,"years":"2019–2022"},{"make":"HUSQVARNA","model":"FC 350","cc":null,"notes":null,"years":"2019–2022"},{"make":"HUSQVARNA","model":"FC 450","cc":null,"notes":null,"years":"2019–2022"},{"make":"HUSQVARNA","model":"FC 450 ROCKSTAR EDITION","cc":null,"notes":null,"years":"2018–2021"},{"make":"HUSQVARNA","model":"FX 350","cc":null,"notes":null,"years":"2019–2022"},{"make":"HUSQVARNA","model":"FX 450","cc":null,"notes":null,"years":"2019–2022"},{"make":"KTM","model":"250 SX-F","cc":null,"notes":null,"years":"2019–2022"},{"make":"KTM","model":"250 XC-F","cc":null,"notes":null,"years":"2019–2022"},{"make":"KTM","model":"350 SX-F","cc":null,"notes":null,"years":"2019–2022"},{"make":"KTM","model":"350 XC-F","cc":null,"notes":null,"years":"2019–2022"},{"make":"KTM","model":"350 XC-F KAILUB RUSSELL","cc":null,"notes":null,"years":"2021"},{"make":"KTM","model":"450 SX-F","cc":null,"notes":null,"years":"2019–2022"},{"make":"KTM","model":"450 SX-F FACTORY EDITION","cc":null,"notes":null,"years":"2018, 2020–2021"},{"make":"KTM","model":"450 XC-F","cc":null,"notes":null,"years":"2019–2022"}],"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-exhaust-silencer-18-23-ktm-husqvarna-gasgas-350-450-fmf-045629","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a7e7353ab95c:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a7e7353ab95c: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."]}}