{"type":"firestarter.listing","listing":{"id":"lst_OtkZVSPi","product_name":"Lamborghini Urus 400 Cell Catted Downpipes","category":"Motor Vehicle Exhaust","description":"Lamborghini Urus – EPA-Compliant 400 Cell High-Flow Downpipes\nEngineered for the 4.0L Twin-Turbo V8 • High-Flow • Compliant •\n\nIntroducing Our NEW 400 Cell EPA-Compliant Downpipes for the Urus\nThe Lamborghini Urus delivers supercar-level performance in an SUV platform — but factory catalyst restrictions limit the full potential of its 4.0L twin-turbo V8. Our NEW EPA-compliant 400 cell high-flow downpipes unlock improved exhaust flow, sharper turbo response, and a deeper, more aggressive sound profile — all while maintaining emissions compliance standards.\nEngineered specifically for the Urus platform, these downpipes represent the next evolution in compliant high-performance exhaust technology.\n\nWhy 400 Cell?\n\n\nEPA-Compliant 400 Cell Catalysts: Designed to increase exhaust flow while maintaining compliance standards.\n\nImproved Turbo Efficiency: Reduced restriction enhances spool characteristics and throttle response.\n\nEnhanced Exhaust Tone: Deeper low-end presence with sharper turbo acoustics and a more exotic character.\n\nBalanced Performance: Noticeable gains without sacrificing daily drivability.\n\n\nPerformance & Engineering\n\n\nOptimized Flow Path: Reduces backpressure while maintaining catalyst efficiency.\n\nMandrel-Bent Tubing: Smooth internal transitions for maximum airflow.\n\nPrecision TIG Welding: Built to withstand extreme heat cycles and boost pressures.\n\nDirect OEM Fitment: 100% bolt-on design using factory mounting locations.\nDesigned to Pair Perfectly with Valvetronic Titanium Exhaust Systems\n\n\nSound Profile\n\n\nStock Exhaust + Downpipes: Noticeable increase in volume with enhanced turbo character and deeper tone.\n\nValvetronic Exhaust + Downpipes: Maximum transformation — heightened aggression, sharper transitions, and a true Lamborghini-inspired exhaust note.\n\n\nConstruction & Craftsmanship\n\nPremium high-grade stainless-steel construction\nHigh-temperature resistant 400 cell catalyst cores\nOEM-style O2 sensor placement\nEngineered for long-term durabilit","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08120_ShopifyCustomSize_40155182-2f31-4db7-a149-571deb0f8f7c.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08148_ShopifyCustomSize_76d21739-f023-40ce-85e1-7f859e48fd81.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/edited_square_hero_Shopify_Custom_Size_e99b0244-fc1b-44de-bb18-c15865d1852e.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08143_ShopifyCustomSize_210f7240-00b9-4012-9451-ef6fe98640eb.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08180_ShopifyCustomSize_1bba4702-5e5d-4794-9282-a09428ef3765.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08123_ShopifyCustomSize_ddead6dc-7a4f-4790-af79-ed8e01e584a3.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08132_ShopifyCustomSize_5b0474f4-63dc-4e99-b280-95005c1acafc.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08152_ShopifyCustomSize_29121685-5a22-448f-9d85-abac1e46ee0d.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08173_ShopifyCustomSize_4e5323bd-21fe-457c-9946-ad19bac44d93.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08125_ShopifyCustomSize_3736aea4-a638-4688-a88e-81d008c8f9ce.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08136_ShopifyCustomSize_c73631d3-2397-4ab0-abd1-9d10cd61feda.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08128_ShopifyCustomSize_a81b3eab-bc3f-42ee-81c9-39061e33a919.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08139_ShopifyCustomSize_63ada4d5-b607-4e50-889c-6bb1f0caff1c.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08177_ShopifyCustomSize_a2312032-80d0-4afb-9a15-c4049845e749.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08186_ShopifyCustomSize_a180bb72-c2c4-414b-9624-7fed88af7df7.jpg?v=1784213568","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/DSC08115_ShopifyCustomSize_6d8556d9-46e9-44ed-bb87-ce8288f29351.jpg?v=1784213568"],"price":3999.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-16T16:00:45.284Z"},"share_url":"https://firestarter.network/l/lst_OtkZVSPi","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer ","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_OtkZVSPi' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Lamborghini Urus 400 Cell Catted Downpipes' and a budget_max comfortably above $3999.99 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}