911 Turbo S991.2 tuning
The 911 Turbo S (991.2) uses a 3.8 twin-turbo flat-six rated at 572 hp and 553 lb-ft from the factory. Because it is turbocharged, software is the biggest lever: our Stage 1 estimate adds about 97 hp and 94 lb-ft with no hardware changes.
| Stage | Power | Torque | Gain | % |
|---|---|---|---|---|
| Stock | 572 hp | 553 lb-ft | — | — |
| Stage 1 | 669 hp | 647 lb-ft | +97 hp | +17% |
| Stage 2 | 687 hp | 675 lb-ft | +115 hp | +20% |
| Stage 3 | 841 hp | 752 lb-ft | +269 hp | +47% |
- Stage 1
Software · 669 hp
ECU recalibration of boost, ignition, fuelling and torque limits. No hardware changes.
- Stage 2
Software + bolt-ons · 687 hp
Stage 1 plus an emissions-legal intake, upgraded intercoolers and a cat-back exhaust, with a calibration written for them.
- Stage 3
Turbo upgrade · 841 hp
Upgraded turbochargers, fuel system and transmission calibration, with the factory catalytic converters kept. Offered only where an emissions-legal kit exists for your car.
Estimates for planning, not measured results. Stock figures are Porsche's factory crank ratings. Your car's numbers come from its own baseline and after-logs.
The 9A1 VTG
engine.
The 3.8 twin-turbo with variable turbine geometry is among the strongest Porsche engines to tune. It responds well to software alone. PDK clutch pressures and torque limits are calibrated alongside the engine so the gearbox holds the extra torque.
Every 911 Turbo S tune starts with a consult and a baseline log of your car as it sits. We confirm its software version is supported before we quote, and you leave with after-logs and a signed job file. Read our step-by-step tuning guide.
Emissions-legal parts and software only. We keep the factory catalytic converters on every car. If a stage isn't available legally for your exact model and software, we tell you at the consult instead of fitting it.
How much power does a Stage 1 tune add to a 911 Turbo S (991.2)?
Our Stage 1 estimate for the 911 Turbo S (991.2) is about +97 hp and +94 lb-ft, taking it from 572 hp to roughly 669 hp. Stage 2 is estimated at 687 hp and Stage 3 at 841 hp. Your car's real result is confirmed with before-and-after logs.
What should be checked on a 911 Turbo S (991.2) before tuning?
The 3.8 twin-turbo with variable turbine geometry is among the strongest Porsche engines to tune. It responds well to software alone. PDK clutch pressures and torque limits are calibrated alongside the engine so the gearbox holds the extra torque.
Is a 911 Turbo S (991.2) tune emissions-legal?
At Redline Exotics, yes. We use emissions-legal parts and software only and keep the factory catalytic converters. If a stage is not available legally for your 911 Turbo S's software version, we tell you before quoting.
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