{"type":"firestarter.listing","listing":{"id":"lst_rsxTuvPs","product_name":"Akrapovic 14-17 BMW M3/M4 (F80/F82) Slip-On Line (Titanium)","category":"Exhaust","description":"All of the knowledge and experience gained while working with various engines from the sports car manufacturer from Stuttgart was poured into this outstanding aftermarket exhaust system.Akrapovic Evolution Line Titanium Exhaust - C7 Audi | RS7 | 4.0T\nThe Evolution performance exhaust system for the BMW M3 consists of dual-outlet mufflers, flow-optimized link pipes, and an X-pipe that incorporates high-flow 100 cpsi sports catalytic convertors and resonators. The power and torque gains of the BMW M3 with the Evolution system are just amazing. A substantial increase is detected over a very wide rpm range, and so it increases responsiveness during all phases of driving. Together with incredible weight savings, the Evolution system dramatically changes the power-to-weight ratio. Our goal was to design a system that delivers a deep, rich growl at cruising speeds while also allowing the driver to enjoy an aggressive roar when driving hard. Complete the look with a set of two exquisite tailpipes in titanium or carbon fibre.\nWhen installing Akrapovič aftermarket optional down pipes with sports catalytic converters or without catalytic converters, which are developed for use on closed tracks only, remapping the ECU is mandatory. When installing Akrapovič aftermarket exhaust system that was developed for use on closed tracks, we recommend remapping the ECU in order to prevent potential »check engine light« warning signals.\nTHIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE \n \nInstall Instructions\n\n+9.4 HP @ 5950 RPM\n","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/E90akrapovic.png?v=1766328352"],"price":7728.4,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:22.721Z"},"share_url":"https://firestarter.network/l/lst_rsxTuvPs","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_rsxTuvPs' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Akrapovic 14-17 BMW M3/M4 (F80/F82) Slip-On Line (Titanium)' and a budget_max comfortably above $7728.40 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."]}}