{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ae37c683e164","name":"Q4 Hex Exhaust Silencer 25-26 Honda CRF 250 R RX - FMF 041617","sku":"07-4007.Q4","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":423.77,"formatted":"£423.77"},"summary":"FMF Q4 HEX S/A 041617 exhaust system features advanced quiet performance technology, delivering impressive power gains while minimizing sound output. Built with proprietary multistage packing materials and an internal design of intricate chambers and baffles, this slip-on system is engineered for endurance and meets USFS and FIM sound standards. Manufactured in the USA, the Q4 HEX is ideal for riders demanding durability, weight savings, and legal sound compliance. Features include premium quiet technology with intricate chambers, baffles, and multistage packing for low sound levels; meeting USFS and FIM World Enduro sound requirements; power gains throughout the entire rpm range; lighter than OEM exhausts for improved handling; rugged construction for demanding off-road use; stainless steel midpipe and endcap with grey anodised aluminium body; includes spark arrestor and 94 dB quiet insert. Item ID 041617. Type Slip-On. Configuration Single. Construction Aluminium. Finish Grey Anodised. Midpipe Stainless Steel. Endcap Stainless Steel. Spark Arrestor Screen Insert included. Quiet Insert 94dB included. Carb Warning No. For closed course use only. Weight 3400 grams.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/07-4007_2EQ4/6e56d12f3fad0e14.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/07-4007_2EQ4/6e56d12f3fad0e14.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/07-4007_2EQ4/dff81abbd38ff695.jpg"],"description":"FMF Q4 HEX S/A 041617 exhaust system features advanced quiet performance technology, delivering impressive power gains while minimizing sound output. Built with proprietary multistage packing materials and an internal design of intricate chambers and baffles, this slip-on system is engineered for endurance and meets USFS and FIM sound standards. Manufactured in the USA, the Q4 HEX is ideal for riders demanding durability, weight savings, and legal sound compliance. Features include premium quiet technology with intricate chambers, baffles, and multistage packing for low sound levels; meeting USFS and FIM World Enduro sound requirements; power gains throughout the entire rpm range; lighter than OEM exhausts for improved handling; rugged construction for demanding off-road use; stainless steel midpipe and endcap with grey anodised aluminium body; includes spark arrestor and 94 dB quiet insert. Item ID 041617. Type Slip-On. Configuration Single. Construction Aluminium. Finish Grey Anodised. Midpipe Stainless Steel. Endcap Stainless Steel. Spark Arrestor Screen Insert included. Quiet Insert 94dB included. Carb Warning No. For closed course use only. Weight 3400 grams.","descriptionMarkdown":"### FMF Q4 Hex Exhaust Silencer\n\nExperience enhanced quiet performance with the FMF Q4 Hex Silencer. This slip-on exhaust system is engineered to deliver significant power gains while minimizing sound output, making it ideal for off-road enthusiasts who demand both performance and responsible riding. Its advanced design incorporates proprietary multistage packing materials and a complex internal structure of chambers and baffles to achieve low sound levels without compromising on power.\n\nThe Q4 Hex Silencer is built to endure the rigors of demanding off-road conditions. It offers a lighter alternative to OEM exhausts, contributing to improved handling and a more agile riding experience. This silencer meets stringent USFS and FIM World Enduro sound requirements, ensuring compliance for responsible riders. Proudly manufactured in the USA, it combines durability, weight savings, and legal sound compliance for thrilling and responsible off-road adventures.\n\n**Key Features:**\n\n- Advanced quiet technology featuring intricate chambers, baffles, and multistage packing for reduced sound output.\n\n- Complies with USFS and FIM World Enduro sound regulations.\n\n- Provides power increases across the entire RPM range.\n\n- Offers a weight advantage over stock exhausts, enhancing maneuverability.\n\n- Constructed for durability in demanding off-road environments.\n\n- Features a stainless steel midpipe and endcap paired with a grey anodised aluminium body.\n\n- Includes a spark arrestor and a 94 dB quiet insert for customizable sound levels.\n\n- Proudly designed and manufactured in the United States.\n\n- Designed for closed course use only.\n\n**Specifications:**\n\n- Type: Slip-On\n\n- Configuration: Single\n\n- Construction Material: Aluminium Body\n\n- Finish: Grey Anodised\n\n- Midpipe Material: Stainless Steel\n\n- Endcap Material: Stainless Steel\n\n- Included Spark Arrestor: Screen Insert\n\n- Included Quiet Insert: 94dB","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2025–2026"},{"make":"HONDA","model":"CRF 250RX","cc":null,"notes":null,"years":"2025–2026"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/q4-hex-exhaust-silencer-25-26-honda-crf-250-r-rx-fmf-041617","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ae37c683e164:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ae37c683e164:1"}},"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."]}}