When you bring your vehicle to WestTuned Car Mechanic Center, you can rest easy knowing that your vehicle is in professional hands.
2015-2018 | 420 HP -> 500 HP
At Westtuned, we specialize in high-performance Porsche 911 991.2 4S 2015-2018 tuning software. Our custom ECU solutions unlock the full potential of your engine, delivering sharper throttle response, stronger mid-range torque, and a more aggressive power curve — all while maintaining OEM-level drivability and reliability.
Every Westtuned calibration is developed using live dynamometer testing, targeting safe air-fuel ratios and optimised boost levels throughout the full RPM range. Our Stage 1 solutions are built to be reliable for daily driving as well as track day use.
Stage 1 software pushes your Porsche 911 991.2 4S 2015-2018 from the stock 420HP / 500Nm to 510HP / 615Nm — a gain of +90HP, achieved with no hardware modifications required.
From a completely stock Porsche 911 991.2 4S 2015-2018 to a fully modified build, Westtuned has the right calibration to match your hardware and unlock the performance you're after.
Choose Westtuned for:
Don't let factory software limit what your Porsche 911 991.2 4S 2015-2018 can do. Trust Westtuned to deliver the performance gains your engine deserves.