{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"00bdaff6ed24","name":"Q4 Hex Exhaust Silencer 19-23 Kawasaki KX 450 F X - FMF 042368","sku":"06-9891.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 042368 is engineered for optimal off-road performance with exceptionally low sound output. It features advanced chamber design, baffles, and exclusive multi-stage packing materials to boost power across the rev range. This slip-on exhaust meets USFS and FIM World Enduro noise regulations. Its construction uses robust, lightweight aluminium and stainless steel, purpose-built for endurance riding. An integrated spark arrestor is included for compliance and safety. This exhaust offers power gains throughout the entire RPM range and is pounds lighter than the OEM exhaust. A quiet insert is included for further noise reduction. Closed course use only. Specifications include Item ID: 042368, 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: 5.5 lbs. Manufacturer: FMF Exhausts.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"286342"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9891_2EQ4H/8a1624a4df73071c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9891_2EQ4H/8a1624a4df73071c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9891_2EQ4H/ed4c5be3517e402e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-9891_2EQ4H/76fe88cd4798dc35.jpg"],"description":"The FMF Q4 HEX S/A 042368 is engineered for optimal off-road performance with exceptionally low sound output. It features advanced chamber design, baffles, and exclusive multi-stage packing materials to boost power across the rev range. This slip-on exhaust meets USFS and FIM World Enduro noise regulations. Its construction uses robust, lightweight aluminium and stainless steel, purpose-built for endurance riding. An integrated spark arrestor is included for compliance and safety. This exhaust offers power gains throughout the entire RPM range and is pounds lighter than the OEM exhaust. A quiet insert is included for further noise reduction. Closed course use only. Specifications include Item ID: 042368, 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: 5.5 lbs. Manufacturer: FMF Exhausts.","descriptionMarkdown":"### FMF Q4 Hex Exhaust Silencer\n\nThe FMF Q4 HEX S/A is engineered to deliver optimal off-road performance while maintaining exceptionally low sound output. Utilising advanced chamber design, baffles, and exclusive multi-stage packing materials, this slip-on exhaust boosts power across the rev range and meets stringent USFS and FIM World Enduro noise regulations. Its robust, lightweight aluminium and stainless steel construction is purpose-built for the demands of endurance riding, including an integrated spark arrestor for compliance and safety.\n\n### Key Features\n\n- Power gains are delivered throughout the entire RPM range\n\n- Meets USFS and FIM World Enduro sound regulations for quiet operation\n\n- Integrated spark arrestor offers maximum safety for off-road use\n\n- Lightweight, robust aluminium and stainless steel construction\n\n- Designed in the USA for superior off-road durability\n\n- Pounds lighter than the OEM exhaust for better handling\n\n- Quiet insert is included for further noise reduction\n\n- 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- Spark Arrestor: Screen Insert (included)\n\n- Quiet Insert: Included\n\n- Weight: 5.5 lbs","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 450F","cc":null,"notes":null,"years":"2019–2023"},{"make":"KAWASAKI","model":"KX 450X","cc":null,"notes":null,"years":"2019–2023"}],"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-19-23-kawasaki-kx-450-f-x-fmf-042368","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/00bdaff6ed24:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/00bdaff6ed24:1"}},"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."]}}