Accessport V3 ECU Calibration, 911 Turbo / Turbo S (991.1)
Handheld ECU flashing with optional PDK calibration, quoted at roughly 100 hp at peak on an otherwise stock car.
Engine Management In production confidence: medium
Manufacturing
| Manufacturer | COBB Tuning |
|---|---|
| Origin | 🇺🇸 United States Vendor head office — place of manufacture not stated |
| Process | Electronics / Software |
| Additively manufactured | No |
| Notes | No forming process applies. Recorded so the catalog can carry calibration alongside hardware without pretending it is a manufactured part. |
Published figures
| Power gain | +100 hp |
|---|---|
| Basis | Published by the manufacturer; not independently verified. |
| Notes | Stage 1 on a stock car: roughly 120 lb-ft low down and near 100 hp at peak, with about 60 whp between 3,000 and 4,000 rpm. Crank versus wheel basis is not stated consistently across COBB's own figures. |
Fitment
| 991.1 | 911 Turbo, 911 Turbo S |
|---|
Road use. ECU calibration affects emissions compliance and almost certainly the powertrain warranty.
Sources
- Porsche 991 Turbo and Turbo S Accessport is Now Available — COBB Tuning, accessed 2026-08-17