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.

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Published fitment
991.1 · 911 Turbo, 911 Turbo S
Recorded availability
In production. Confirm with the supplier.
Recorded price
No published price recorded

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Reported by a secondary source. Sources last accessed ; fitment is not independently verified.

Engine ManagementIn productionReported by a secondary source

Manufacturing

ManufacturerCOBB Tuning
Origin🇺🇸 United States
Vendor head office — place of manufacture not stated
ProcessElectronics / Software
Additively manufacturedNo
NotesNo 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
BasisPublished by the manufacturer; not independently verified.
NotesStage 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

991.1911 Turbo, 911 Turbo S
Road use. ECU calibration affects emissions compliance and almost certainly the powertrain warranty.

Sources

  1. Porsche 991 Turbo and Turbo S Accessport is Now Available — COBB Tuning, accessed 2026-08-17