{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a4f2d7615df7","name":"Q4 Exhaust Silencer 04-15 Yamaha YFZ 450 - FMF 044210","sku":"06-1703.FMF.Q4","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":423.77,"formatted":"£423.77"},"summary":"The FMF Q4 044210 exhaust silencer is engineered for performance with minimal noise, featuring advanced chambered architecture and FMF's unique multistage packing for quiet technology. Built from aircraft-grade aluminium and robust stainless steel, this slip-on muffler offers durability and a light weight of 5.7 lbs. It is designed for use with stock and FMF headers and includes a spark arrestor. Key features include a championship-inspired design, maximum sound output of 96dB (most setups under 93dB), aluminium body, stainless steel midpipe and endcap, proprietary internal chambers and packing, a single exhaust slip-on configuration, and an included screen insert spark arrestor. This product is intended for closed-course use only. Item ID: 044210. Type: Slip-on. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe: Stainless steel. Endcap: Stainless steel. Spark Arrestor: Screen insert included. Weight: 5.7 lbs (2.59 kg). Carb Warning: No. Manufacturer: FMF Exhausts.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"209147"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1703_2EFMF_2EQ4/51b44d532b65b01e.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1703_2EFMF_2EQ4/51b44d532b65b01e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1703_2EFMF_2EQ4/89bed26fc59e2508.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1703_2EFMF_2EQ4/08e1b29523a0b08c.jpg"],"description":"The FMF Q4 044210 exhaust silencer is engineered for performance with minimal noise, featuring advanced chambered architecture and FMF's unique multistage packing for quiet technology. Built from aircraft-grade aluminium and robust stainless steel, this slip-on muffler offers durability and a light weight of 5.7 lbs. It is designed for use with stock and FMF headers and includes a spark arrestor. Key features include a championship-inspired design, maximum sound output of 96dB (most setups under 93dB), aluminium body, stainless steel midpipe and endcap, proprietary internal chambers and packing, a single exhaust slip-on configuration, and an included screen insert spark arrestor. This product is intended for closed-course use only. Item ID: 044210. Type: Slip-on. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe: Stainless steel. Endcap: Stainless steel. Spark Arrestor: Screen insert included. Weight: 5.7 lbs (2.59 kg). Carb Warning: No. Manufacturer: FMF Exhausts.","descriptionMarkdown":"### FMF Q4 Exhaust Silencer\n\nEngineered for performance without excess noise, the FMF Q4 exhaust is designed for off-road enthusiasts seeking maximum power with minimal sound. Utilising advanced chambered architecture and FMF’s unique multistage packing, this slip-on muffler sets the standard for quiet technology. Built from aircraft-grade aluminium and robust stainless steel, the Q4 offers remarkable durability while keeping weight low. It is suitable for use with both stock and FMF headers and includes a spark arrestor for additional safety.\n\n**Key Features**\n\n- Championship-inspired design developed from top off-road racing\n\n- Maximum sound output 96dB, majority of setups producing less than 93dB\n\n- Aircraft-grade aluminium body for strength and reduced weight\n\n- High-strength stainless steel midpipe and endcap for superior durability\n\n- Proprietary internal chambers and packing ensure quiet operation and high performance\n\n- Ready-to-install as a slip-on configuration for single exhaust systems\n\n- Includes spark arrestor screen insert for added protection\n\n- Designed for closed course use only\n\n**Specifications**\n\n- Type: Slip-on\n\n- Configuration: Single\n\n- Construction Material: Aircraft-grade aluminium body\n\n- Midpipe Material: High-strength stainless steel\n\n- Endcap Material: High-strength stainless steel\n\n- Spark Arrestor: Screen insert (included)\n\n- Weight: 5.7 lbs (2.59 kg)\n\n- Maximum Sound Output: 96dB (most models below 93dB)","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YFZ 450","cc":null,"notes":null,"years":"2004–2010, 2012–2015"}],"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-exhaust-silencer-04-15-yamaha-yfz-450-fmf-044210","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a4f2d7615df7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a4f2d7615df7:1"}},"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."]}}