{"type":"firestarter.listing","listing":{"id":"lst_4OEaQS52","product_name":"IE ProCore Downpipe For Audi B9 A4/A5","category":"Downpipes","description":"Details\n\nThe iE ProCore Downpipe for the Audi B9 A4 delivers an improved exhaust note with a massive increase in exhaust flow. Our unique in-house-engineered 4.75\" 200 CPI catalytic converter channels substantial flow to support beyond Stage 2 tuning and upgraded turbos. The specialty ProCore CAT design includes rare and precious metal coatings that clean and limit emissions output to align with factory ECU requirements. so that you can upgrade without the check engine light.\n \n \n \nFEATURES\n\n\nProCore catalyst -No check engine light\n\nHigh-flow design -Supports stage 2 &amp; hybrid turbo power\n\nIncreases sound -Full and enriched exhaust note\n\nBolt-on direct fit -No cutting, no welding, no hassle\n\nHigh quality -30$ Stainless steel, TIG welded, &amp; investment casting\n\n \n \nTHE PROCORE ADVANTAGE\niE's in-house engineered ProCore Catalyst design features our own specialized coating that filters and cleans exhaust gasses instead of a denser flow-killing cell count. This coating process aligns with factory emissions output, 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 reliability. Whether you're looking to improve the exhaust note from your A4 or building a big power, big boost setup, enjoy your exhaust without the annoying check engine light.\n \n \n \nHIGH-FLOW DESIGN\nNo check engine light does not equal reduced power. The 4.75\" 200 CPI 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.\n \n \n \nADVANCED ENGINEERING\nAdvanced 3D scanning tools and cutting-edge software provide our engineers with a high-resolution digital model of Audi's unique B9 2.0T engine. This data is then used to maximize the downpipe size for flow and ensure ","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK9_01_720x_9ce22de7-f008-4860-8e77-1c1844ac96c9.webp?v=1745245212","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK9_02.jpg?v=1745245212","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK9_03_720x_5d2eee74-a076-47f6-a126-933790c96f64.jpg?v=1745245212","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK9_04_720x_dd2d8e0b-53a8-40ba-8538-04f42d5ed28f.webp?v=1745245212","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK9_05_720x_97c55982-e6a7-4ce1-bc4a-72728df88a41.jpg?v=1745245212"],"price":2199.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:28.561Z"},"share_url":"https://firestarter.network/l/lst_4OEaQS52","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 <your Firestarter API key>","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_4OEaQS52' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy IE ProCore Downpipe For Audi B9 A4/A5' and a budget_max comfortably above $2199.99 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."]}}