{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5d244269b032","name":"Q4 Hex Exhaust Silencer 19-26 Yamaha WR YZ 250 F FX - FMF 044452","sku":"06-9890.Q4H","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":423.77,"formatted":"£423.77"},"summary":"The FMF Q4 HEX S/A 044452 sets the standard for high performance quiet technology in off-road exhaust systems. Designed with advanced chambers and proprietary multi-stage packing, this slip-on delivers exceptional power gains across the entire RPM range, all while staying compliant with stringent USFS and FIM World Enduro sound regulations. This exhaust is lighter than stock and built for rugged terrain, ensuring you feel the power without excess noise, making it ideal for demanding off-road riders. It meets USFS and FIM World Enduro sound regulations and is for closed course use only. Features power gains throughout the RPM range, is pounds lighter than stock exhaust, and has a rugged design built for off-road endurance. A spark arrestor (screen insert) and quiet insert are included. Manufactured in the USA. Item ID: 044452. Type: Slip-On. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe Material: Stainless Steel. Endcap Material: Stainless Steel. Spark Arrestor: Screen Insert (included). Quiet Insert: Included. Weight: 7.06 lbs.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"285408"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9890_2EQ4H/0ae99215aa9e68ab.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9890_2EQ4H/0ae99215aa9e68ab.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9890_2EQ4H/acc67ee82a53b47f.jpg"],"description":"The FMF Q4 HEX S/A 044452 sets the standard for high performance quiet technology in off-road exhaust systems. Designed with advanced chambers and proprietary multi-stage packing, this slip-on delivers exceptional power gains across the entire RPM range, all while staying compliant with stringent USFS and FIM World Enduro sound regulations. This exhaust is lighter than stock and built for rugged terrain, ensuring you feel the power without excess noise, making it ideal for demanding off-road riders. It meets USFS and FIM World Enduro sound regulations and is for closed course use only. Features power gains throughout the RPM range, is pounds lighter than stock exhaust, and has a rugged design built for off-road endurance. A spark arrestor (screen insert) and quiet insert are included. Manufactured in the USA. Item ID: 044452. Type: Slip-On. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe Material: Stainless Steel. Endcap Material: Stainless Steel. Spark Arrestor: Screen Insert (included). Quiet Insert: Included. Weight: 7.06 lbs.","descriptionMarkdown":"### FMF Q4 Hex Silencer for Off-Road Motorcycles\n\nThe FMF Q4 HEX S/A sets a benchmark in high performance quiet technology for off-road exhaust systems. This slip-on silencer is engineered with advanced internal chambers and proprietary multi-stage packing. It delivers significant power gains across the entire RPM range while meeting strict USFS and FIM World Enduro sound regulations.\n\nBuilt to be lighter than the stock exhaust and designed for demanding off-road use, the Q4 HEX allows riders to experience enhanced power output without excessive noise. It is an ideal choice for competitive off-road riding.\n\n**Key Features:**\n\n- Complies with USFS and FIM World Enduro sound regulations.\n\n- Note: For Closed Course Use Only.\n\n- Provides measurable power increases across the RPM band.\n\n- Significantly lighter than the original equipment exhaust.\n\n- Features a robust design engineered for off-road endurance.\n\n- Includes a screen insert spark arrestor.\n\n- Comes with a quiet insert.\n\n- Proudly manufactured in the USA.\n\n- Represents the only US manufacturer offering specialized quiet exhaust systems.\n\n**Specifications:**\n\n- Type: Slip-On\n\n- Configuration: Single\n\n- Construction Material: Aluminum\n\n- Finish: Natural\n\n- Midpipe Material: Stainless Steel\n\n- Endcap Material: Stainless Steel\n\n- Spark Arrestor: Screen Insert (included)\n\n- Quiet Insert: Included\n\n- Approximate Weight: 7.06 lbs","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2023–2024"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2019–2026"},{"make":"YAMAHA","model":"YZ 250FX","cc":null,"notes":null,"years":"2020–2026"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2019–2020"}],"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/q4-hex-exhaust-silencer-19-26-yamaha-wr-yz-250-f-fx-fmf-044452","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/5d244269b032:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/5d244269b032:1"}},"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. 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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."]}}