Porsche 911 Turbo S 992 Stage 1 vs Stage 2 ECU Tune — 3.7T Flat-6 Power Comparison
Porsche 911 Turbo S 992 — Stage 1 vs Stage 2 ECU Tune
The Porsche 992 Turbo S produces 650 HP from its 3.7-litre twin-turbo flat-six — the most powerful production 911 ever made. With all-wheel drive, rear-axle steering, and launch control, it's already devastatingly fast. ECU tuning pushes it beyond 700 HP and into genuine hypercar performance territory.
Power Comparison — 3.7T Twin-Turbo Flat-6
| Specification | Stock | Stage 1 | Stage 2 |
|---|---|---|---|
| Peak Horsepower | 650 HP | ~720 HP | ~780 HP |
| Peak Torque | 800 Nm | ~900 Nm | ~950 Nm |
| Hardware Required | — | None — ECU only | Sport exhaust / downpipes + intake |
| 0-100 km/h (est.) | 2.7s | ~2.4s | ~2.2s |
Stage 1 — 720 HP, No Hardware
Porsche's VTG (Variable Turbine Geometry) turbos are conservatively calibrated from the factory. A Stage 1 tune increases peak and sustained boost pressure, optimizes VTG vane positioning, and recalibrates ignition timing for approximately 70 HP over stock. The Turbo S's PDK dual-clutch transmission and AWD system translate every additional horsepower into traction — making Stage 1 one of the most effective power-per-dollar upgrades on any supercar.
Stage 2 — 780 HP with Exhaust
Stage 2 adds exhaust modifications — typically a sport exhaust or high-flow downpipes — and an upgraded intake. The reduced backpressure allows the VTG turbos to operate more efficiently at higher RPMs. The Stage 2 ECU calibration raises boost targets further, pushing the flat-six to approximately 780 HP. For more information, see our 992 Turbo S tuning guide.