{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"0fc018d86e2f","name":"Q4 Hex Exhaust Silencer 19-25 Honda CRF 450 X - FMF 041578","sku":"06-9911.FMF.Q4","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 Slip-On exhaust is engineered for off-road enthusiasts seeking high performance with reduced sound levels. It features advanced chamber designs, baffles, and proprietary multi-stage packing material for superior exhaust flow and power gains across the rpm range. This exhaust meets strict USFS and FIM World Enduro noise regulations and includes an integrated spark arrestor. Its lightweight aluminium construction with a stainless steel midpipe and endcap makes it durable for tough riding environments. Specifications include: Item ID 041578, Slip-On type, Single configuration, Natural finish, 5.8 lbs (2.6 kg) weight, screen insert spark arrestor (included), and quiet insert (included). Carb warning is not applicable. For closed course use only.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"289514"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9911_2EFMF_2EQ4/0bd3c428c2e21f47.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9911_2EFMF_2EQ4/0bd3c428c2e21f47.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9911_2EFMF_2EQ4/9d266decd4b43a14.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9911_2EFMF_2EQ4/09d1461136948bd1.jpg"],"description":"The FMF Q4 HEX Slip-On exhaust is engineered for off-road enthusiasts seeking high performance with reduced sound levels. It features advanced chamber designs, baffles, and proprietary multi-stage packing material for superior exhaust flow and power gains across the rpm range. This exhaust meets strict USFS and FIM World Enduro noise regulations and includes an integrated spark arrestor. Its lightweight aluminium construction with a stainless steel midpipe and endcap makes it durable for tough riding environments. Specifications include: Item ID 041578, Slip-On type, Single configuration, Natural finish, 5.8 lbs (2.6 kg) weight, screen insert spark arrestor (included), and quiet insert (included). Carb warning is not applicable. For closed course use only.","descriptionMarkdown":"### FMF Q4 Hex Exhaust Silencer\n\nThe FMF Q4 HEX Slip-On exhaust is engineered for off-road enthusiasts seeking high performance with reduced sound levels. It features advanced chamber designs, baffles, and proprietary multi-stage packing material to deliver superior exhaust flow and power gains across the entire RPM range. This exhaust system meets strict USFS and FIM World Enduro noise regulations and includes an integrated spark arrestor. Its lightweight construction is built to withstand the demands of the toughest riding environments.\n\n#### Key Features\n\n- High-performance quiet technology for off-road use.\n\n- Meets USFS and FIM World Enduro sound regulations.\n\n- Increases power throughout the entire RPM range.\n\n- Includes a spark arrestor for compliance and safety.\n\n- Lighter than original equipment for improved handling.\n\n- Rugged and durable design for severe off-road conditions.\n\n- Dedicated quiet system manufactured in the USA.\n\n- Quiet insert is included.\n\n- Notice: Closed course use only.\n\n#### Specifications\n\n- Type: Slip-On\n\n- Configuration: Single\n\n- Construction Material: Aluminium\n\n- Finish: Natural\n\n- Midpipe Material: Stainless steel\n\n- Endcap Material: Stainless steel\n\n- Weight: 5.8 lbs (2.6 kg)\n\n- Spark Arrestor: Screen insert (included)\n\n- Quiet Insert: Included","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 450X","cc":null,"notes":null,"years":"2019–2025"}],"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-19-25-honda-crf-450-x-fmf-041578","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/0fc018d86e2f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/0fc018d86e2f: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."]}}