Porsche 911 (996) 1997-2004 Turbo S 450bhp Stage 1 Eco remap figures
The Stage 1 Eco map for the Porsche 911 Turbo S 450bhp (1997-2004): 523bhp and 733Nm expected from a standard 450bhp and 620Nm, up to +73bhp and +113Nm. It keeps most of the Stage 1 gain (Stage 1 is 547bhp and 743Nm) and is tuned with economy in mind: the choice if you want the performance and care what each tank costs.
Choose your map
Stage 1 Eco remap figures
Stage 1 Eco is performance with economy in mind. It keeps most of the Stage 1 gain, so the car still pulls well, but the map is shaped for efficient, relaxed driving rather than flat-out output. It is above the standard figures. We don't quote mpg, because economy depends on the car and how it is driven.
| Stock | Vanguard expected | Expected gain, up to | |
|---|---|---|---|
| Power | 450 bhp | 523 bhp | +73 bhp |
| Torque | 620 Nm | 733 Nm | +113 Nm |
All maps at a glance
| Map | Power | Torque | Expected gain, up to |
|---|---|---|---|
| Stock | 450 bhp | 620 Nm | |
| Stage 1Maximum software-only performance | 547 bhp | 743 Nm | +97 bhp +123 Nm |
| Stage 1 EcoPerformance with economy in mind | 523 bhp | 733 Nm | +73 bhp +113 Nm |
| Eco mapEconomy first | 515 bhp | 727 Nm | +65 bhp +107 Nm |
Who is the Stage 1 Eco map for?
- Drivers who want a quicker, more responsive car, tuned with economy in mind.
- Daily drivers who want strong mid-range pull without giving up efficiency.
- Anyone who would otherwise take full Stage 1 but cares what each tank costs.
How Stage 1 Eco compares with Stage 1
Full Stage 1 on this Porsche 911 is expected to give 547bhp and 743Nm (+97bhp, +123Nm). The Stage 1 Eco keeps about 75% of that power gain and 92% of the torque gain, so you get 523bhp and 733Nm: 24bhp less and 10Nm less than Stage 1, with the map shaped for efficient, relaxed driving, so it suits you if you want the pull and care about running costs. Both sit above the standard 450bhp and 620Nm.
What this means for your 911
Turbocharged petrol engines respond well to calibration changes: boost and timing are the main levers, and the result is a flatter, stronger torque curve as well as a higher peak.
Engine management is by a Bosch ME7.8 unit. Older engine management is simpler to work with, but age matters: worn sensors, leaks and tired components can hold back what a remap delivers, which is why we run a diagnostic check first.
We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.
Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.
Figures reviewed 22 October 2026.
Stage 1 Eco questions
How much power does the Stage 1 Eco map give the Porsche 911 Turbo S 450bhp?
We expect 523bhp and 733Nm against 450bhp and 620Nm as standard: up to +73bhp and +113Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.
How does Stage 1 Eco differ from Stage 1 on this engine?
Full Stage 1 is expected to give 547bhp and 743Nm. Stage 1 Eco gives 24bhp less and 10Nm less, in exchange for a map shaped with economy in mind. It still sits above the standard figures.
Is Stage 1 Eco or the Eco map better for me?
Choose Stage 1 Eco if you want the performance (523bhp and 733Nm) and still care about running costs. Choose the Eco map (515bhp and 727Nm) if economy matters more than pace.
Will the Stage 1 Eco map save fuel?
It is tuned with economy in mind while keeping most of the Stage 1 performance. We do not quote mpg figures, because economy depends on the car, its condition and how it is driven.
Do I need to tell my insurer about a remap?
Yes. A remap is a modification, so you should declare it to your insurer.
More Porsche 911 figures
Other petrol variants
- Carrera 4 Turbo 420bhp 1997-2004
- Turbo 420bhp 1997-2004
- Carrera GT2 483bhp 1997-2004
- Carrera GT3 381bhp 1997-2004
- Carrera GT3 360bhp 1997-2004
- Carrera 2 40th 345bhp 1997-2004
- Carrera 2 320bhp 1997-2004
- Carrera 300bhp 1997-2004
All petrol 911 (996) variants · 911 (996) 1997-2004 overview · All Porsche figures