{"title":"M64 - 993 Air-Cooled Turbo","description":"\u003cp\u003eRemote ECU tuning for the \u003cstrong\u003eM64\u003c\/strong\u003e — the last air-cooled Porsche engine, in twin-turbo 993 form.\u003c\/p\u003e\u003cp\u003eThe 993 Turbo, Turbo S and GT2 run Motronic engine management that responds well to recalibration. Boost, timing and fuelling were all set conservatively at the factory for global fuel quality and worst-case conditions.\u003c\/p\u003e\u003cp\u003eTuning is non-refundable once the file has been delivered. Your car must be mechanically sound first.\u003c\/p\u003e\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eFlatSixSpirit\u003c\/strong\u003e — Premium Porsche Performance Parts\u003c\/p\u003e","products":[{"product_id":"porsche-911-turbo-3-6-tt-ecu-tune-993-1995-1996","title":"Porsche 911 Turbo 3.6 TT ECU Tuning – M64 Optimized Performance | 993 1995–1996","description":"\u003cp\u003eThis isn't a generic flash. Our \u003cstrong\u003e993 Turbo calibrations\u003c\/strong\u003e are developed in-house, optimized on the dyno, and tested on the street and track. Every map is built around your fuel, your hardware and how you actually drive the car — maximum power with factory-level refinement and reliability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEstimated on a healthy car with known-good fuel:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e402 hp → 448 hp\u003c\/strong\u003e — estimated gain of +46 hp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 lb-ft → 448 lb-ft\u003c\/strong\u003e — estimated gain of +48 lb-ft\u003c\/li\u003e\n\u003cli\u003eFuel maps available for \u003cstrong\u003e91, 93 and 100 octane\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdjustable throttle response and boost timing\u003c\/li\u003e\n\u003cli\u003eCalibrated for consistent performance in all conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e993 Turbo\u003c\/strong\u003e runs the \u003cstrong\u003eM64 3.6L twin-turbocharged air-cooled flat-six\u003c\/strong\u003e — the last air-cooled 911 Turbo Porsche built, and the first with twin turbochargers and all-wheel drive. The factory calibration is conservative by any modern standard, and the engine's reputation for durability is well earned. This calibration is for the \u003cstrong\u003e1995–1996 car\u003c\/strong\u003e; the 1997–1998 Turbo uses different engine management and takes its own file.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBefore you order, talk to us.\u003c\/strong\u003e Air-cooled cars of this era vary in diagnostic interface by year and market. Get in touch first so we can confirm the read process for your specific car before anything ships.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom M64 ECU calibration developed around your fuel, hardware and driving preference\u003c\/li\u003e\n\u003cli\u003eOptimized boost, ignition timing and fuelling for your specific car\u003c\/li\u003e\n\u003cli\u003eThrottle response and drivability refinement\u003c\/li\u003e\n\u003cli\u003eFuel map matched to the octane you actually run — 91, 93 or 100\u003c\/li\u003e\n\u003cli\u003eOBDII data cable shipped to you\u003c\/li\u003e\n\u003cli\u003eSame-day file turnaround once we have your stock read\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat we need from you:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour factory stock file, read with the cable we send you\u003c\/li\u003e\n\u003cli\u003eA complete list of current modifications\u003c\/li\u003e\n\u003cli\u003eVehicle details and VIN\u003c\/li\u003e\n\u003cli\u003eAn honest description of the car's mechanical condition and service history\u003c\/li\u003e\n\u003cli\u003eThe octane you run day to day\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSupported Vehicles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePorsche 911 Turbo (993) — 3.6L twin-turbocharged air-cooled flat-six, M64, 6-speed, 1995–1996\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow to order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1. Talk to us first.\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eGet in touch\u003c\/a\u003e so we can confirm the read process for your car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2. Order online.\u003c\/strong\u003e We ship you an OBDII data cable — typically 2–3 days to arrive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3. Read your stock file\u003c\/strong\u003e and email it to us with a list of your current modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4. Get your file back the same day.\u003c\/strong\u003e We email your custom calibration back the day we receive your stock read — and we'll make sure you're happy with it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIn the Southern California area?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eGet in touch\u003c\/a\u003e and we can tune your car in person instead.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBefore you order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower figures are estimates, not guarantees.\u003c\/strong\u003e Results vary with fuel quality, altitude, ambient temperature, mechanical condition, supporting modifications and dyno methodology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical condition\u003c\/strong\u003e — tuning raises cylinder pressure and driveline load. The car must be sound first, and on a thirty-year-old air-cooled turbo car that matters more than on anything else we tune. Pre-existing faults revealed or accelerated by tuning are not our responsibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate information required\u003c\/strong\u003e — we build the file from what you tell us. An unmodified stock read and an honest description of the car, its modifications and its condition are required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e — an ECU modification will likely void any remaining factory powertrain warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLegal use\u003c\/strong\u003e — certain calibrations are for off-road and competition use only. Compliance with federal, state and local emissions law is the buyer's responsibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRisk and liability\u003c\/strong\u003e — the customer assumes the risk of modification. Our liability is limited to the price of the tuning service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Tuning services are non-refundable once the file has been delivered. The service is complete at delivery. Full terms are on our Terms of Service page.\u003c\/p\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eFlatSixSpirit\u003c\/strong\u003e — Premium Porsche Performance Parts\u003cbr\u003e\nRemote Delivery · Custom Calibration\u003c\/p\u003e","brand":"FlatSixSpirit","offers":[{"title":"Default Title","offer_id":50065566367994,"sku":null,"price":1988.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/2611\/8650\/files\/porsche-993-911-turbo-3-6tt-m64-1995-1996-ecu-tuning.png?v=1787091832"},{"product_id":"porsche-911-turbo-3-6-tt-ecu-tune-993-1997-1998","title":"Porsche 911 Turbo 3.6 TT ECU Tuning – M64 Optimized Performance | 993 1997–1998","description":"\u003cp\u003eThis isn't a generic flash. Our \u003cstrong\u003e993 Turbo calibrations\u003c\/strong\u003e are developed in-house, optimized on the dyno, and tested on the street and track. Every map is built around your fuel, your hardware and how you actually drive the car — maximum power with factory-level refinement and reliability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEstimated on a healthy car with known-good fuel:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e402 hp → 448 hp\u003c\/strong\u003e — estimated gain of +46 hp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 lb-ft → 448 lb-ft\u003c\/strong\u003e — estimated gain of +48 lb-ft\u003c\/li\u003e\n\u003cli\u003eFuel maps available for \u003cstrong\u003e91, 93 and 100 octane\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdjustable throttle response and boost timing\u003c\/li\u003e\n\u003cli\u003eCalibrated for consistent performance in all conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e993 Turbo\u003c\/strong\u003e runs the \u003cstrong\u003eM64 3.6L twin-turbocharged air-cooled flat-six\u003c\/strong\u003e — the last air-cooled 911 Turbo Porsche built, and the first with twin turbochargers and all-wheel drive. The factory calibration is conservative by any modern standard, and the engine's reputation for durability is well earned. This calibration is for the \u003cstrong\u003e1997–1998 car\u003c\/strong\u003e; the earlier 1995–1996 Turbo uses different engine management and takes its own file.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBefore you order, talk to us.\u003c\/strong\u003e Air-cooled cars of this era vary in diagnostic interface by year and market. Get in touch first so we can confirm the read process for your specific car before anything ships.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom M64 ECU calibration developed around your fuel, hardware and driving preference\u003c\/li\u003e\n\u003cli\u003eOptimized boost, ignition timing and fuelling for your specific car\u003c\/li\u003e\n\u003cli\u003eThrottle response and drivability refinement\u003c\/li\u003e\n\u003cli\u003eFuel map matched to the octane you actually run — 91, 93 or 100\u003c\/li\u003e\n\u003cli\u003eOBDII data cable shipped to you\u003c\/li\u003e\n\u003cli\u003eSame-day file turnaround once we have your stock read\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat we need from you:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour factory stock file, read with the cable we send you\u003c\/li\u003e\n\u003cli\u003eA complete list of current modifications\u003c\/li\u003e\n\u003cli\u003eVehicle details and VIN\u003c\/li\u003e\n\u003cli\u003eAn honest description of the car's mechanical condition and service history\u003c\/li\u003e\n\u003cli\u003eThe octane you run day to day\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSupported Vehicles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePorsche 911 Turbo (993) — 3.6L twin-turbocharged air-cooled flat-six, M64, 6-speed, 1997–1998\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow to order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1. Talk to us first.\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eGet in touch\u003c\/a\u003e so we can confirm the read process for your car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2. Order online.\u003c\/strong\u003e We ship you an OBDII data cable — typically 2–3 days to arrive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3. Read your stock file\u003c\/strong\u003e and email it to us with a list of your current modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4. Get your file back the same day.\u003c\/strong\u003e We email your custom calibration back the day we receive your stock read — and we'll make sure you're happy with it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIn the Southern California area?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eGet in touch\u003c\/a\u003e and we can tune your car in person instead.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBefore you order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower figures are estimates, not guarantees.\u003c\/strong\u003e Results vary with fuel quality, altitude, ambient temperature, mechanical condition, supporting modifications and dyno methodology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical condition\u003c\/strong\u003e — tuning raises cylinder pressure and driveline load. The car must be sound first, and on a thirty-year-old air-cooled turbo car that matters more than on anything else we tune. Pre-existing faults revealed or accelerated by tuning are not our responsibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate information required\u003c\/strong\u003e — we build the file from what you tell us. An unmodified stock read and an honest description of the car, its modifications and its condition are required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e — an ECU modification will likely void any remaining factory powertrain warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLegal use\u003c\/strong\u003e — certain calibrations are for off-road and competition use only. Compliance with federal, state and local emissions law is the buyer's responsibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRisk and liability\u003c\/strong\u003e — the customer assumes the risk of modification. Our liability is limited to the price of the tuning service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Tuning services are non-refundable once the file has been delivered. The service is complete at delivery. Full terms are on our Terms of Service page.\u003c\/p\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eFlatSixSpirit\u003c\/strong\u003e — Premium Porsche Performance Parts\u003cbr\u003e\nRemote Delivery · Custom Calibration\u003c\/p\u003e","brand":"FlatSixSpirit","offers":[{"title":"Default Title","offer_id":50065566499066,"sku":null,"price":1988.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/2611\/8650\/files\/porsche-993-911-turbo-3-6tt-m64-1997-1998-ecu-tuning.png?v=1787091832"},{"product_id":"porsche-911-turbo-s-3-6-tt-ecu-tune-993","title":"Porsche 911 Turbo S 3.6 TT ECU Tuning – M64 Optimized Performance | 993 1997–1998","description":"\u003cp\u003eThis isn't a generic flash. Our \u003cstrong\u003e993 Turbo S calibrations\u003c\/strong\u003e are developed in-house, optimized on the dyno, and tested on the street and track. Every map is built around your fuel, your hardware and how you actually drive the car — maximum power with factory-level refinement and reliability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEstimated on a healthy car with known-good fuel:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e424 hp → 483 hp\u003c\/strong\u003e — estimated gain of +59 hp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 lb-ft → 456 lb-ft\u003c\/strong\u003e — estimated gain of +56 lb-ft\u003c\/li\u003e\n\u003cli\u003eFuel maps available for \u003cstrong\u003e91, 93 and 100 octane\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdjustable throttle response and boost timing\u003c\/li\u003e\n\u003cli\u003eCalibrated for consistent performance in all conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e993 Turbo S\u003c\/strong\u003e is the rarest and most powerful air-cooled 911 Turbo Porsche built — the \u003cstrong\u003eM64 3.6L twin-turbocharged air-cooled flat-six\u003c\/strong\u003e with larger turbochargers, revised intercoolers and a factory power kit. Even in that state the calibration carries margin, and this is the largest gain of any 993 we tune.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBefore you order, talk to us.\u003c\/strong\u003e Air-cooled cars of this era vary in diagnostic interface by year and market, and Turbo S values being what they are, we would rather confirm everything up front. Get in touch first so we can check the read process for your specific car before anything ships.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom M64 ECU calibration developed around your fuel, hardware and driving preference\u003c\/li\u003e\n\u003cli\u003eOptimized boost, ignition timing and fuelling for your specific car\u003c\/li\u003e\n\u003cli\u003eThrottle response and drivability refinement\u003c\/li\u003e\n\u003cli\u003eFuel map matched to the octane you actually run — 91, 93 or 100\u003c\/li\u003e\n\u003cli\u003eOBDII data cable shipped to you\u003c\/li\u003e\n\u003cli\u003eSame-day file turnaround once we have your stock read\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat we need from you:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour factory stock file, read with the cable we send you\u003c\/li\u003e\n\u003cli\u003eA complete list of current modifications\u003c\/li\u003e\n\u003cli\u003eVehicle details and VIN\u003c\/li\u003e\n\u003cli\u003eAn honest description of the car's mechanical condition and full service history\u003c\/li\u003e\n\u003cli\u003eThe octane you run day to day\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSupported Vehicles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePorsche 911 Turbo S (993) — 3.6L twin-turbocharged air-cooled flat-six, M64, 6-speed, 1997–1998\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow to order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1. Talk to us first.\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eGet in touch\u003c\/a\u003e so we can confirm the read process for your car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2. Order online.\u003c\/strong\u003e We ship you an OBDII data cable — typically 2–3 days to arrive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3. Read your stock file\u003c\/strong\u003e and email it to us with a list of your current modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4. Get your file back the same day.\u003c\/strong\u003e We email your custom calibration back the day we receive your stock read — and we'll make sure you're happy with it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIn the Southern California area?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eGet in touch\u003c\/a\u003e and we can tune your car in person instead.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBefore you order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower figures are estimates, not guarantees.\u003c\/strong\u003e Results vary with fuel quality, altitude, ambient temperature, mechanical condition, supporting modifications and dyno methodology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical condition\u003c\/strong\u003e — tuning raises cylinder pressure and driveline load. The car must be sound first, and on a thirty-year-old air-cooled turbo car that matters more than on anything else we tune. Pre-existing faults revealed or accelerated by tuning are not our responsibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate information required\u003c\/strong\u003e — we build the file from what you tell us. An unmodified stock read and an honest description of the car, its modifications and its condition are required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e — an ECU modification will likely void any remaining factory powertrain warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLegal use\u003c\/strong\u003e — certain calibrations are for off-road and competition use only. Compliance with federal, state and local emissions law is the buyer's responsibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRisk and liability\u003c\/strong\u003e — the customer assumes the risk of modification. Our liability is limited to the price of the tuning service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Tuning services are non-refundable once the file has been delivered. The service is complete at delivery. Full terms are on our Terms of Service page.\u003c\/p\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eFlatSixSpirit\u003c\/strong\u003e — Premium Porsche Performance Parts\u003cbr\u003e\nRemote Delivery · Custom Calibration\u003c\/p\u003e","brand":"FlatSixSpirit","offers":[{"title":"Default Title","offer_id":50065570463994,"sku":null,"price":1488.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/2611\/8650\/files\/porsche-993-911-turbo-s-3-6tt-m64-ecu-tuning.png?v=1787091832"},{"product_id":"porsche-911-gt2-3-6-tt-ecu-tune-993","title":"Porsche 911 GT2 3.6 TT ECU Tuning – M64 Optimized Performance | 993 1996–1998","description":"\u003cp\u003eThis isn't a generic flash. Our \u003cstrong\u003e993 GT2 calibrations\u003c\/strong\u003e are developed in-house, optimized on the dyno, and tested on the street and track. Every map is built around your fuel, your hardware and how you actually drive the car — maximum power with factory-level refinement and reliability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEstimated on a healthy car with known-good fuel:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e430 hp → 473 hp\u003c\/strong\u003e — estimated gain of +43 hp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 lb-ft → 425 lb-ft\u003c\/strong\u003e — estimated gain of +25 lb-ft\u003c\/li\u003e\n\u003cli\u003eFuel maps available for \u003cstrong\u003e91, 93 and 100 octane\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdjustable throttle response and boost timing\u003c\/li\u003e\n\u003cli\u003eCalibrated for consistent performance in all conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e993 GT2\u003c\/strong\u003e is the homologation car — the \u003cstrong\u003eM64 3.6L twin-turbocharged air-cooled flat-six\u003c\/strong\u003e, rear-wheel drive only, stripped of the Turbo's all-wheel-drive hardware and built in tiny numbers. This is one of the most valuable cars in our entire catalog, and the calibration is developed accordingly: a clean, conservative recovery of the factory margin rather than an attempt to chase a headline figure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBefore you order, talk to us.\u003c\/strong\u003e Given what these cars are, we will not build a file for a 993 GT2 without speaking to you first about the car, its history and its current condition — and confirming the read process, which varies on air-cooled cars by year and market.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom M64 ECU calibration developed around your fuel, hardware and driving preference\u003c\/li\u003e\n\u003cli\u003eOptimized boost, ignition timing and fuelling for your specific car\u003c\/li\u003e\n\u003cli\u003eThrottle response and drivability refinement\u003c\/li\u003e\n\u003cli\u003eFuel map matched to the octane you actually run — 91, 93 or 100\u003c\/li\u003e\n\u003cli\u003eOBDII data cable shipped to you\u003c\/li\u003e\n\u003cli\u003eSame-day file turnaround once we have your stock read\u003c\/li\u003e\n\u003cli\u003eDirect consultation before any work begins\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat we need from you:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour factory stock file, read with the cable we send you\u003c\/li\u003e\n\u003cli\u003eA complete list of current modifications\u003c\/li\u003e\n\u003cli\u003eVehicle details and VIN\u003c\/li\u003e\n\u003cli\u003eAn honest description of the car's mechanical condition and full service history\u003c\/li\u003e\n\u003cli\u003eThe octane you run day to day\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSupported Vehicles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePorsche 911 GT2 (993) — 3.6L twin-turbocharged air-cooled flat-six, M64, rear-wheel drive, 1996–1998\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow to order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1. Talk to us first.\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eGet in touch\u003c\/a\u003e before ordering so we can confirm the right calibration and the read process for your car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2. Order online.\u003c\/strong\u003e We ship you an OBDII data cable — typically 2–3 days to arrive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3. Read your stock file\u003c\/strong\u003e and email it to us with a list of your current modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4. Get your file back the same day.\u003c\/strong\u003e We email your custom calibration back the day we receive your stock read — and we'll make sure you're happy with it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIn the Southern California area?\u003c\/strong\u003e \u003ca href=\"\/pages\/contact\"\u003eGet in touch\u003c\/a\u003e and we can tune your car in person instead.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBefore you order:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower figures are estimates, not guarantees.\u003c\/strong\u003e Results vary with fuel quality, altitude, ambient temperature, mechanical condition, supporting modifications and dyno methodology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical condition\u003c\/strong\u003e — tuning raises cylinder pressure and driveline load. The car must be sound first, and on a thirty-year-old air-cooled turbo car that matters more than on anything else we tune. Pre-existing faults revealed or accelerated by tuning are not our responsibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate information required\u003c\/strong\u003e — we build the file from what you tell us. An unmodified stock read and an honest description of the car, its modifications and its condition are required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e — an ECU modification will likely void any remaining factory powertrain warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLegal use\u003c\/strong\u003e — certain calibrations are for off-road and competition use only. Compliance with federal, state and local emissions law is the buyer's responsibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRisk and liability\u003c\/strong\u003e — the customer assumes the risk of modification. Our liability is limited to the price of the tuning service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Tuning services are non-refundable once the file has been delivered. The service is complete at delivery. Full terms are on our Terms of Service page.\u003c\/p\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eFlatSixSpirit\u003c\/strong\u003e — Premium Porsche Performance Parts\u003cbr\u003e\nRemote Delivery · Custom Calibration\u003c\/p\u003e","brand":"FlatSixSpirit","offers":[{"title":"Default Title","offer_id":50065570529530,"sku":null,"price":2488.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/2611\/8650\/files\/porsche-993-911-gt2-3-6tt-m64-ecu-tuning.png?v=1787091832"}],"url":"https:\/\/www.flatsixspirit.com\/collections\/ecu-tuning-m64.oembed","provider":"FlatSixSpirit","version":"1.0","type":"link"}