Porsche 911 (992) Carrera S / Targa S FJM550 – Stage 1 ECU & Gearbox Tune

The FJM550 Performance Package is your gateway to unlocking more from your 992 Carrera S or Targa S without changing a single physical component. Designed for vehicles with stock hardware, this package includes a custom ECU remap and a recalibrated PDK gearbox tune to dramatically improve throttle response, midrange punch, and gearshift behaviour — all while keeping everyday drivability intact.

What’s Included in the FJM550 Package

• FJM Stage 1 ECU Calibration. A fully custom tune developed in-house for the 3.0L twin-turbo flat-six. We adjust ignition, boost control, fuel delivery, and torque management to safely push performance on 99 RON fuel.

• Optimised for Tesco Momentum 99 / Shell V-Power
• Smooth power delivery with stronger midrange and top-end gains
• Designed for completely stock engine, exhaust, and intake setup 

• FJM TCU Gearbox Tune (PDK) A full recalibration of the 8-speed PDK gearbox to complement the added engine torque and improve engagement:

• Sharper upshifts and downshifts
• Increased torque limits
• More responsive paddle shifts
• Aggressive behaviour in Sport and Sport+, smooth in Normal
• Improved shift logic and manual mode feel 

Performance Expectations (Stage 1 – Stock Hardware)

• Power: Up to 550 bhp
• Torque: 700+ Nm
• 0–60 mph: Approx. 3.1–3.3 seconds
• 100–200 km/h: Approx. 6.3–6.5 seconds
• ¼ mile: Low 11s, depending on tyres and conditions

All times are Dragy-verified with 99 RON fuel. Results vary based on temperature, traction, vehicle condition, and fuel quality.

 Compatible Models:

• Porsche 911 (992) Carrera S
• Porsche 911 (992) Targa S 

Why FJ Motorwerkes? We develop and test every tune in real-world conditions — not just on the dyno. The FJM550 package blends increased performance with OEM refinement, offering a seamless upgrade that transforms your Porsche without compromising reliability.

From enthusiasts, to enthusiasts. Guaranteed results. Drive in, drive out — or your money back. Simples.

Legal Disclaimer: All tuning services and performance modifications by FJ Motorwerkes are intended for off-road or motorsport use only. These services may not comply with local emissions or road safety regulations.