{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"85c2069e9070","name":"Factory 4.1 RCT Exhaust Silencer 12-15 Kawasaki KX 450 F - FMF 042292","sku":"06-1758.FMF.FAC","brand":"FMF Exhausts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":564.92,"formatted":"£564.92"},"summary":"FMF Factory 4.1 RCT Stainless Slip-On exhaust with Carbon End Cap. Engineered for performance and durability, this exhaust system utilizes exclusive FMF Resonance Chamber Technology™ to optimize exhaust flow and power delivery while achieving a lightweight, crash-resistant, and mass-centralized muffler profile. Manufactured in the USA using aerospace-grade materials. Features include Resonance Chamber Technology™ for enhanced power and throttle response, shortened overall length for reduced crash vulnerability and improved mass centralization, aerospace grade natural aluminum construction with a carbon end cap, Rapid Tuning System (RTS) for quick setup and adjustment, massive power gains throughout the RPM range, substantial weight savings, and a removable 94dB quiet insert and screen-type spark arrestor. Type: Slip-On. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe: Stainless Steel. End Cap: Carbon. Spark Arrestor: Screen insert included. Quiet Insert: 94dB insert included. Weight: 5 lbs. For closed course use only. FMF Item ID: 042292.","attributes":[{"label":"General Product Group","value":"Exhaust Systems & Parts"},{"label":"General Product Type","value":"Silencer"},{"label":"Variant Id","value":"209327"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1758_2EFMF_2EFAC/ad2ec41d96d7c13c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1758_2EFMF_2EFAC/ad2ec41d96d7c13c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1758_2EFMF_2EFAC/7b2e65cf12b6a3fa.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/06-1758_2EFMF_2EFAC/f7953475d7a27985.jpg"],"description":"FMF Factory 4.1 RCT Stainless Slip-On exhaust with Carbon End Cap. Engineered for performance and durability, this exhaust system utilizes exclusive FMF Resonance Chamber Technology™ to optimize exhaust flow and power delivery while achieving a lightweight, crash-resistant, and mass-centralized muffler profile. Manufactured in the USA using aerospace-grade materials. Features include Resonance Chamber Technology™ for enhanced power and throttle response, shortened overall length for reduced crash vulnerability and improved mass centralization, aerospace grade natural aluminum construction with a carbon end cap, Rapid Tuning System (RTS) for quick setup and adjustment, massive power gains throughout the RPM range, substantial weight savings, and a removable 94dB quiet insert and screen-type spark arrestor. Type: Slip-On. Configuration: Single. Construction: Aluminium. Finish: Natural. Midpipe: Stainless Steel. End Cap: Carbon. Spark Arrestor: Screen insert included. Quiet Insert: 94dB insert included. Weight: 5 lbs. For closed course use only. FMF Item ID: 042292.","descriptionMarkdown":"### FMF Factory 4.1 RCT Stainless Slip-On Exhaust with Carbon End Cap\n\nEngineered for performance and durability, the FMF Factory 4.1 RCT Stainless Slip-On exhaust with Carbon End Cap is designed for riders seeking advanced exhaust technology and race-proven power gains. The system utilizes exclusive FMF Resonance Chamber Technology™ to optimize exhaust flow and power delivery while achieving a lightweight, crash-resistant, and mass-centralized muffler profile. Manufactured in the USA using aerospace-grade materials, this slip-on offers a significant performance upgrade and striking looks for motocross enthusiasts.\n\n#### Key Features\n\n \n- Incorporates FMF Resonance Chamber Technology™ for enhanced power and throttle response.\n \n- Shortened overall length for reduced crash vulnerability and improved mass centralization.\n \n- Constructed from aerospace grade natural aluminum with an elegant carbon end cap.\n \n- Includes Rapid Tuning System (RTS) for quick setup and adjustment.\n \n- Delivers massive power gains throughout the RPM range.\n \n- Provides substantial weight savings compared to stock exhausts.\n \n- Features a removable 94dB quiet insert and screen-type spark arrestor (both included).\n \n- Closed course use only.\n\n#### Specifications\n\n \n- Type: Slip-On\n \n- Configuration: Single\n \n- Construction Material: Aluminum\n \n- Finish: Natural\n \n- Midpipe Material: Stainless Steel\n \n- End Cap Material: Carbon Fiber\n \n- Spark Arrestor: Screen insert (included)\n \n- Quiet Insert: 94dB insert (included)\n \n- Weight: 5 lbs\n \n- Notice: Closed course use only.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 450F","cc":null,"notes":null,"years":"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/factory-41-rct-exhaust-silencer-12-15-kawasaki-kx-450-f-fmf-042292","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/85c2069e9070:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/85c2069e9070:1"}},"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."]}}