{"type":"firestarter.listing","listing":{"id":"lst_opCsZMSP","product_name":"IE ProCore Downpipe For Audi B9 S4 & S5","category":"Downpipes","description":"Details\n\nLEADING FEATURES\n\nIE ProCore Catalyst -No check engine light\nHigh-flow design -Supports hybrid & large turbo power\nIncreases sound -Full and enriched exhaust note\nBolt-on direct fit -No cutting, no welding, no hassle\nHigh Quality -Stainless steel, TIG welded, & investment casting\n\nTHE PROCORE ADVANTAGEIE's in-house engineered ProCore Catalyst features our specialized tri-core design with a specialty coating, enabling it to pass vehicle readiness monitors without triggering a check engine light. An advanced molecular bonded wash process applies the precious metal coatings to ensure long-life operation and reliability. Whether you're looking to improve the exhaust note from your 3.0T or building a track-destroying hybrid turbo setup, enjoy your exhaust without the annoying check engine light.\nHIGH-FLOW DESIGNNo check engine light does not equal reduced power. The 6\" 400CPSI CAT maintains optimal flow to support substantial power gains up to large and hybrid turbochargers. Your IE ProCore downpipe will pass vehicle readiness monitors and allow total and complete power, torque, and spool potential from your hardware and tuning upgrade investments.\nADVANCED ENGINEERINGAdvanced 3D scanning tools and cutting-edge software provide our engineers with a high-resolution digital model of Audi's unique 3.0T engine. This data is then used to maximize the downpipe size for flow and ensure perfect and factory-like fitment.\nCUTTING-EDGE MANUFACTURINGIE downpipes are manufactured with quality materials for lasting strength and performance. The T304L stainless steel investment cast body smoothly transitions exhaust flow from the massive 6\" CAT to the dual 2.5\" mandrel bent exhaust legs. All joints are hand TIG welded using precise fixtures and tooling for a seamless, leak-free fit.\nHYBRID TURBO READYThe stock downpipe becomes a significant restriction when upgrading to a larger hybrid turbo. IE's cast downpipe is a direct fit to available upgraded turbochargers on the","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK6_01.jpg?v=1745431413","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK6_02.jpg?v=1745431413","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK6_03.jpg?v=1745431413","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK6_04.jpg?v=1745431413","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK6_05.jpg?v=1745431413","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK6_06.jpg?v=1745431413","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK6_07.jpg?v=1745431413","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK6_08.jpg?v=1745431413","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK6_09.jpg?v=1745431413"],"price":2874.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:28.688Z"},"share_url":"https://firestarter.network/l/lst_opCsZMSP","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_opCsZMSP' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy IE ProCore Downpipe For Audi B9 S4 & S5' and a budget_max comfortably above $2874.99 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."]}}