8 December 2025
STAGE 2 READY FOR THE PORSCHE 911 4.0 GT3RS
We are proud to announce that Performance-TuningFiles.com has developed stage 2 software for the Porsche 911 4.0 GT3 RS with 525hp!
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Capacity: 3996cc
Bore x stroke: 86.0 x 86.0 (mm)
Compression ratio: 10.1 (:1)
Power approx: 525hp
Power output: 555hp
Torque approx: 465nm
Torque output: 485nm
ECU: Bosch MG1CS047
Read method: Autotuner Bench (After Unlock)