{"type":"firestarter.listing","listing":{"id":"lst_kqcxRzj5","product_name":"IE Midpipe Exhaust Upgrade For Audi B9 S4 & S5 3.0T","category":"Midpipe","description":"Details\n\nLEADING FEATURESIE midpipes for B9 S4 & S5 deliver aggressive sound, quality finish, reliable operation, straightforward install, and affordable fun.\n\nEngineered for enhanced engine sound\nHigh-flow design deletes resonators\nTIG-welded 304 stainless steel\nReliable OEM-quality flex sections\nLeak-free exhaust clamps\nIntegrated rear stud for easier install\nReinforced mounting brackets for long-life\nEasy to install with minimal tools\nFull kit includes all hardware and clamps\nBolt-in install, no cutting or welding required\n63.5mm OD / 60.25mm ID\n\nWHAT ARE MIDPIPES?Located between the downpipe outlets and center resonator, midpipes make up roughly 12 feet of factory tubing and two large resonators. Upgrading this section removes the resonators and ultimately frees up the middle of the exhaust system improving flow and exhaust notes.QUALITY CONSTRUCTIONIE midpipes are manufactured from high-quality 304 stainless steel tubing. This material is premium for exhaust systems and provides lighter weight and superior corrosion resistance. Enjoy the trouble-free and long-life operation of your exhaust system upgrade.PERFECT FITThis perfectly crafted exhaust upgrade exceeds even the factory fit. IE engineers take extra steps with advanced 3D scanning technology and rapid prototyping to design these exhaust parts with exacting alignments without any interference or rubbing.RELIABLE FLEX SECTIONSIt's all in the details. Typical aftermarket flex sections found on many cheaper exhaust parts are the primary failure point, causing annoying leaks and performance issues. Our OE quality TIG-welded and liner reinforced flex sections are incredibly resilient to splitting or cracking for complete reliability.MIDPIPE SOUND RESULTSThe S4 & S5 3.0T engine is an absolute powerhouse capable of delivering tons of power and driver enjoyment; unfortunately, the factory exhaust is full of resonators and mufflers to silence the fun. IE's midpipes are an affordable solution that modifies ","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK4_01.jpg?v=1745433672","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK4_02.jpg?v=1745433672","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK4_03.jpg?v=1745433672","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK4_04.jpg?v=1745433672","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK4_05.jpg?v=1745433672","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK4_06.jpg?v=1745433672","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK4_07.jpg?v=1745433672","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/IEEXCK4_08.jpg?v=1745433672"],"price":804.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:28.833Z"},"share_url":"https://firestarter.network/l/lst_kqcxRzj5","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_kqcxRzj5' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy IE Midpipe Exhaust Upgrade For Audi B9 S4 & S5 3.0T' and a budget_max comfortably above $804.99 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."]}}