{"type":"firestarter.listing","listing":{"id":"lst_CHPUjgyk","product_name":"IE TrueFlex Sensor Kit For Audi B9 S4, S5, RS5, RS4, & SQ5","category":"Ethanol Sensor Kit","description":"LEADING FEATURES\n\nPlug-&-play kit for iE B9 3.0T & 2.9TT TrueFlex Tunes\nIncludes everything needed to install\nReliable real-time ethanol content readings\nRun premium 91/93 up to E85 on one tune\n\nEFFORTLESS ETHANOL\nEthanol is rocket fuel for your B9 S4, S5, RS5, RS4, or SQ5. Our iE TrueFlex Sensor Kit is the required hardware upgrade to convert your 3.0T or 2.9TT engine to flex fuel. The sensor hardware allows your factory engine computer to read and instantly send the ethanol content of your fuel to our advanced TrueFlex tune, unleashing huge power.\nINSTALLATION\nUpgrading your 3.0T to TrueFlex is simple. Follow our step-by-step guide to install the sensor kit, then flash the TrueFlex tune with your PowerLink app. Fill up with either premium unleaded, E85, or any mix in between and enjoy maximum performance. You can monitor your ethanol content right on the app.\nCLICK HERE TO DOWNLOAD INSTALL GUIDE\nTRUELFEX REQUIREMENTS\n\nRequires iE B9 3.0T or 2.9TT POWERlink Tuning Suite\n\nRequires iE TrueFlex Sensor Harness Kit \nRequires iE upgraded HPFP for maximum power\n\nFitment Notes:-Requires iE TrueFlex Tuning Suite, learn more on the iE B9 3.0T or 2.9TT tuning pages.-TrueFlex tuning is available for North American 2017-2024 B9/B9.5 S4, S5, RS5, & RS4 & SQ5 models. TrueFlex tuning is not currently supported for Rest-of-world (ROW) ECUs (Europe, Asia, Australia, etc.) for S4, S5, SQ5.","images":["https://cdn.shopify.com/s/files/1/0024/4898/2060/files/iETrueFlexSensorKitB9S4S5SQ5IEELCK2_01_720x_cc0cca9c-c878-49cf-91fd-3c128403d55d.webp?v=1745954292","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/iETrueFlexSensorKitB9S4S5SQ5IEELCK2_03_720x_e8026206-3e7e-4a96-9e32-4a1564609222.jpg?v=1745954292","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/iETrueFlexSensorKitB9S4S5SQ5IEELCK2_04_720x_f547d1aa-6f7e-41fe-87a2-f8adf3e07ff9.webp?v=1745954292","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/iETrueFlexSensorKitB9S4S5SQ5IEELCK2_05_720x_c339af8a-8d45-45d4-ba84-e7f4630ed682.webp?v=1745954292","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/iETrueFlexSensorKitB9S4S5SQ5IEELCK2_07_720x_7ffb7daf-dd5d-4ef6-a04b-c1d2cf43a615.webp?v=1745954292","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/iETrueFlexSensorKitB9S4S5SQ5IEELCK2_08_720x_a2643e80-9af2-46d8-9428-2258660907e0.webp?v=1745954292","https://cdn.shopify.com/s/files/1/0024/4898/2060/files/iETrueFlexSensorKitB9S4S5SQ5IEELCK2_09_720x_591a925f-95f1-439d-a2ff-f2e70c0cfb1f.webp?v=1745954292"],"price":461.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:29.005Z"},"share_url":"https://firestarter.network/l/lst_CHPUjgyk","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_CHPUjgyk' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy IE TrueFlex Sensor Kit For Audi B9 S4, S5, RS5, RS4, & SQ5' and a budget_max comfortably above $461.99 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."]}}