{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"868c6b150049","name":"Factory 4.1 SL Exhaust Silencer 06-13 Yamaha 250 450 WR YZ F - FMF 044235","sku":"06-1669.FMF.FSA","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":470.82,"formatted":"£470.82"},"summary":"FMF Racing's Factory 4.1 SL Slip-On exhaust delivers elite race-proven performance with proven horsepower increases. It is constructed from lightweight titanium with a striking blue anodised finish. The exhaust features a high-strength stainless steel midpipe and endcap for enhanced durability. This slip-on configuration offers quick installation and optimised performance across the RPM range. It includes a 94dB quiet insert and a spark arrestor screen insert for sound regulation and versatility. This product is designed for closed-course use only. Item ID: 044235. Type: Slip-On. Configuration: Single. Construction: Titanium. Finish: Blue Anodised. Midpipe: Stainless Steel. Endcap: Stainless Steel. Spark Arrestor: Screen Insert (included). Quiet Insert: 94dB Insert (included). Weight: 5.2 lbs (2.36 kg). Carb Warning: No.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"209073"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1669_2EFMF_2EFSA/bcf32ea8d3164b28.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1669_2EFMF_2EFSA/bcf32ea8d3164b28.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1669_2EFMF_2EFSA/694b3df6132f0dcd.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1669_2EFMF_2EFSA/72c1f4ccc58d5098.jpg"],"description":"FMF Racing's Factory 4.1 SL Slip-On exhaust delivers elite race-proven performance with proven horsepower increases. It is constructed from lightweight titanium with a striking blue anodised finish. The exhaust features a high-strength stainless steel midpipe and endcap for enhanced durability. This slip-on configuration offers quick installation and optimised performance across the RPM range. It includes a 94dB quiet insert and a spark arrestor screen insert for sound regulation and versatility. This product is designed for closed-course use only. Item ID: 044235. Type: Slip-On. Configuration: Single. Construction: Titanium. Finish: Blue Anodised. Midpipe: Stainless Steel. Endcap: Stainless Steel. Spark Arrestor: Screen Insert (included). Quiet Insert: 94dB Insert (included). Weight: 5.2 lbs (2.36 kg). Carb Warning: No.","descriptionMarkdown":"### FMF Factory 4.1 SL Exhaust Silencer\n\nThe FMF Factory 4.1 SL Slip-On exhaust system is engineered for off-road and motocross riders seeking peak performance and significant power gains. Built with advanced technology derived from years of racing experience, this system offers a substantial upgrade for your motorcycle's exhaust.\n\n**Key Features:**\n\n- Elite Performance: Delivers race-proven horsepower increases across the RPM range.\n\n- Premium Construction: Crafted from lightweight titanium for durability and reduced weight.\n\n- Striking Finish: Features a vibrant blue anodised plating for a distinctive look.\n\n- Robust Components: Includes a high-strength stainless steel midpipe and endcap for enhanced longevity.\n\n- Versatile Design: Slip-on configuration allows for straightforward installation and removal.\n\n- Sound and Safety: Comes equipped with a removable 94dB quiet insert for noise regulation and a spark arrestor screen insert for safety.\n\n- Optimised for Competition: Designed and intended for closed-course competition use only.\n\n**Specifications:**\n\n- Type: Slip-On Exhaust Silencer\n\n- Configuration: Single\n\n- Material: Titanium\n\n- Finish: Blue Anodised\n\n- Midpipe Material: Stainless Steel\n\n- Endcap Material: Stainless Steel\n\n- Included Accessories: 94dB Quiet Insert, Spark Arrestor Screen Insert\n\n- Weight: Approximately 5.2 lbs (2.36 kg)","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2007–2014"},{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2007–2011"},{"make":"YAMAHA","model":"WRF 250","cc":null,"notes":null,"years":"2007–2014"},{"make":"YAMAHA","model":"WRF 450","cc":null,"notes":null,"years":"2007–2011"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2006–2013"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2006–2009"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2006–2013"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"2006–2009"}],"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-sl-exhaust-silencer-06-13-yamaha-250-450-wr-yz-f-fmf-044235","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. 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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."]}}