{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ff7758045ceb","name":"Q4 Exhaust Silencer 09-22 Yamaha YFZ 450 R X - FMF 044301","sku":"06-434.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 044301 exhaust is engineered for off-road enthusiasts seeking maximum performance with minimal noise. Designed with innovative chambers, baffles, and a proprietary multi-stage packing, the Q4 delivers championship-level power while significantly reducing sound output. Constructed from aircraft-grade aluminium and high-strength stainless steel, this slip-on muffler ensures durability and top-tier quiet performance without sacrificing power. Compatible with either stock or FMF headers, it allows riders to experience true performance discreetly. Features include advanced noise reduction technology with a maximum sound output of 96dB, made from aircraft-grade aluminium, high-strength stainless steel midpipe and endcap, designed for use with stock or FMF header systems, includes a screen insert spark arrestor, and is suitable for closed course use only. Specifications include item ID 044301, slip-on exhaust type, aluminium construction with a natural finish, stainless steel midpipe and endcap, screen insert spark arrestor, weight of 6.2 lbs (2.81 kg), and a single configuration.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"209895"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-434_2EFMF_2EQ4/5ff25a24b56e7b50.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-434_2EFMF_2EQ4/5ff25a24b56e7b50.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-434_2EFMF_2EQ4/3102d59d236844f5.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-434_2EFMF_2EQ4/3eda4fec69d8331d.jpg"],"description":"The FMF Q4 044301 exhaust is engineered for off-road enthusiasts seeking maximum performance with minimal noise. Designed with innovative chambers, baffles, and a proprietary multi-stage packing, the Q4 delivers championship-level power while significantly reducing sound output. Constructed from aircraft-grade aluminium and high-strength stainless steel, this slip-on muffler ensures durability and top-tier quiet performance without sacrificing power. Compatible with either stock or FMF headers, it allows riders to experience true performance discreetly. Features include advanced noise reduction technology with a maximum sound output of 96dB, made from aircraft-grade aluminium, high-strength stainless steel midpipe and endcap, designed for use with stock or FMF header systems, includes a screen insert spark arrestor, and is suitable for closed course use only. Specifications include item ID 044301, slip-on exhaust type, aluminium construction with a natural finish, stainless steel midpipe and endcap, screen insert spark arrestor, weight of 6.2 lbs (2.81 kg), and a single configuration.","descriptionMarkdown":"### FMF Q4 Exhaust Silencer\n\nThe FMF Q4 Exhaust Silencer is engineered for off-road performance while minimizing sound output. This slip-on muffler features innovative chambers, baffles, and a proprietary multi-stage packing designed to deliver championship-level power discreetly.\n\nConstructed from durable aircraft-grade aluminum and high-strength stainless steel, the Q4 offers robust performance for demanding off-road conditions. It is designed to integrate seamlessly with either stock or FMF header systems, providing riders with enhanced performance without compromising noise levels.\n\n#### Key Features:\n\n- Developed through extensive championship off-road racing experience.\n\n- Advanced noise reduction technology, typically operating below 93dB and never exceeding 96dB.\n\n- Lightweight yet strong construction using aircraft-grade aluminum.\n\n- Includes a high-strength stainless steel midpipe and endcap for enhanced durability.\n\n- Designed for compatibility with stock or FMF header systems.\n\n- Comes with a screen insert spark arrestor for safety.\n\n- Suitable for closed-course competition use only.\n\n- Features a simple slip-on, single configuration for easy installation.\n\n#### Specifications:\n\n- Exhaust Type: Slip-On\n\n- Construction Material: Aluminum\n\n- Midpipe Material: Stainless Steel\n\n- Endcap Material: Stainless Steel\n\n- Spark Arrestor: Included (Screen Insert)\n\n- Weight: Approximately 6.2 lbs (2.81 kg)\n\n- Configuration: Single","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YFZ 450","cc":null,"notes":null,"years":"2009–2020"},{"make":"YAMAHA","model":"YFZ 450R","cc":null,"notes":null,"years":"2009–2022"},{"make":"YAMAHA","model":"YFZ 450X","cc":null,"notes":null,"years":"2010–2011"},{"make":"YAMAHA","model":"YFZ R 450","cc":null,"notes":null,"years":"2009–2020"},{"make":"YAMAHA","model":"YFZ X 450","cc":null,"notes":null,"years":"2010–2011"}],"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-09-22-yamaha-yfz-450-r-x-fmf-044301","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ff7758045ceb:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ff7758045ceb: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."]}}