{"type":"firestarter.listing","listing":{"id":"lst_1UcdIQPo","product_name":"Unitronic Stage 2 ECU Performance Tune C8 RS6 / RS7 4.0TFSI","category":"Software","description":"Unitronic Stage 2 : 819HP / 760LB-FT\n\nSTOCK POWER: 621HP / 627LB-FT\nFor Audi C8 RS7 Performance 4.0 TFSI EA825\nChange Vehicle\n\n\n\nOctane\n\n93 Octane / 98 Ron gas\n91 Octane / 95 Ron Gas\n\n\n \n\nHP\n+198\n\n \n\nLB-FT\n+133\n\n\n\n\n\n\n\nDescription\nUnitronic Stage 2 Performance software is precisely calibrated for use with 93 AKI / 98 RON fuel.NOTE: An SFD/SFD2 unlock may be required for some MY23+ models. Click HERE for more information or contact Unitronic to learn more today.Power figures may vary slightly for MY24+ vehicles.Subject to ECU Box code availability.\n\n\n\n\n\n\nFeatures\n\n\n\nOptimized Responsiveness, Smoothness, Drivability, and ComfortUnitronic’s ECU calibrations are engineered to improve engine response and reduce low-end lag. Unitronic’s Performance Software has gained worldwide recognition and is well known for its broad powerband, with smooth power delivery, maximizing responsiveness and “area under the curve”, under normal and hard acceleration.\n\n\nIgnition Timing Precisely Calibrated for Higher Octane FuelEngine calibration optimized to take advantage of higher fuel quality to extract maximum energy from the combustion. Therefore, when using a higher octane fuel, more power and better fuel efficiency will be achieved.\n\n\nOptimized Maximum OutputUnitronic’s ECU Calibrators deliver the maximum power output while staying within the operational limits of the factory engine and drivetrain components. Specifically, this results in the highest engine performance without sacrificing the reliability of the engine, turbocharger, or other engine and drivetrain components.\n\n\nFactory Safety Limiters RetainedOEM “fail safes” are retained within the ECU calibration. Close monitoring of all operation parameters ensures that engine operation stays within factory components limits, resulting in reliability.\n\n\nPower Delivery Perfectly Optimized Throughout the Power BandAligned with the OEM strategy, the calibration is designed to offer a large flat torque plateau to provide a smooth and lin","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/products/ECU-Stage3_grande_bee986fe-d4fc-4a81-a828-d07b03e99637.jpg?v=1671744601","https://cdn.shopify.com/s/files/1/0024/4898/2060/products/C8-4-0TFSI-EA825-RS6-Stage3-ALLSTAGES-Dyno-web.jpg?v=1671744601","https://cdn.shopify.com/s/files/1/0024/4898/2060/products/C8-4-0TFSI-EA825-RS6-Stage3-TTE1020-Dyno-web.jpg?v=1671744601"],"price":1530,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:21.175Z"},"share_url":"https://firestarter.network/l/lst_1UcdIQPo","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_1UcdIQPo' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Unitronic Stage 2 ECU Performance Tune C8 RS6 / RS7 4.0TFSI' and a budget_max comfortably above $1530.00 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."]}}