{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5978c14fc60e","name":"Q4 Hex Exhaust Silencer 14-19 Yamaha WR YZ 250 F FX - FMF 044426","sku":"06-1977.FMF.Q4H","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":423.77,"formatted":"£423.77"},"summary":"The FMF Q4 HEX S/A exhaust offers high-performance quiet off-road riding with industry-leading noise reduction and superior power delivery. Its intricate chambers, baffles, and proprietary multi-stage packing ensure compliance with USFS and FIM World Enduro sound regulations while retaining strong power gains throughout the rpm range. Designed for durability and weight savings, this slip-on muffler includes a spark arrestor and is constructed for exceptional off-road endurance. Features include significant power gains with minimized noise output, meeting strict sound regulations, reduced sound without performance compromise, lighter weight than stock, robust construction, a screen insert spark arrestor, and a quiet insert. The construction features an aluminium canister with a stainless steel midpipe and endcap. Made in the USA. Notice: Closed Course Use Only. Item ID: 044426. Type: Slip-On. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe: Stainless Steel. Endcap: Stainless Steel. Spark Arrestor: Screen Insert (included). Carb Warning: No. Quiet Insert: Included. Weight: 6.1 lbs.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"209577"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1977_2EFMF_2EQ4H/6e333bafa1d375fe.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1977_2EFMF_2EQ4H/6e333bafa1d375fe.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1977_2EFMF_2EQ4H/32dc60b74994cc05.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1977_2EFMF_2EQ4H/051b641cced761c4.jpg"],"description":"The FMF Q4 HEX S/A exhaust offers high-performance quiet off-road riding with industry-leading noise reduction and superior power delivery. Its intricate chambers, baffles, and proprietary multi-stage packing ensure compliance with USFS and FIM World Enduro sound regulations while retaining strong power gains throughout the rpm range. Designed for durability and weight savings, this slip-on muffler includes a spark arrestor and is constructed for exceptional off-road endurance. Features include significant power gains with minimized noise output, meeting strict sound regulations, reduced sound without performance compromise, lighter weight than stock, robust construction, a screen insert spark arrestor, and a quiet insert. The construction features an aluminium canister with a stainless steel midpipe and endcap. Made in the USA. Notice: Closed Course Use Only. Item ID: 044426. Type: Slip-On. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe: Stainless Steel. Endcap: Stainless Steel. Spark Arrestor: Screen Insert (included). Carb Warning: No. Quiet Insert: Included. Weight: 6.1 lbs.","descriptionMarkdown":"### FMF Q4 Hex Exhaust Silencer\n\nThe FMF Q4 HEX S/A exhaust is engineered for high-performance, quiet off-road riding, offering industry-leading noise reduction coupled with superior power delivery. Its intricate chambers, baffles, and proprietary multi-stage packing ensure compliance with USFS and FIM World Enduro sound regulations, while still providing significant power gains across the entire RPM range. This durable and lightweight slip-on muffler includes a spark arrestor and is built for exceptional off-road endurance.\n\n### Key Features:\n\n \n- Delivers significant power gains while minimizing noise output.\n \n- Meets strict USFS and FIM World Enduro sound regulations for off-road compliance.\n \n- Intricate chambers and advanced packing material reduce sound without compromising performance.\n \n- Lighter than stock exhaust systems for improved handling.\n \n- Robust construction designed to withstand harsh off-road environments.\n \n- Includes a spark arrestor and a quiet insert.\n \n- Features an aluminium canister with a stainless steel midpipe and endcap for enhanced durability.\n \n- Made in the USA.\n\n### Specifications:\n\n \n- Type: Slip-On\n \n- Configuration: Single\n \n- Construction: Aluminium canister, Stainless Steel midpipe and endcap.\n \n- Finish: Natural aluminium.\n \n- Spark Arrestor: Screen insert included.\n \n- Quiet Insert: Included.\n \n- Weight: 6.1 lbs.\n \n- Notice: Closed Course Use Only.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2015–2019"},{"make":"YAMAHA","model":"WRF 250","cc":null,"notes":null,"years":"2015–2019"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2014–2018"},{"make":"YAMAHA","model":"YZ 250FX","cc":null,"notes":null,"years":"2015–2019"},{"make":"YAMAHA","model":"YZF 250","cc":null,"notes":null,"years":"2014–2018"},{"make":"YAMAHA","model":"YZF X 250","cc":null,"notes":null,"years":"2015–2019"}],"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-14-19-yamaha-wr-yz-250-f-fx-fmf-044426","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/5978c14fc60e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/5978c14fc60e: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."]}}