Description
Weistec Engineering ECU tune for the Porsche Macan, Cayenne and Panamera (2014-2026) with the Turbo 3L V6 (EA839). Weistec’s crank figures put the tuned engine at 426 hp and 389 lb-ft, up from 400 hp and 369 lb-ft stock, from a recalibration of the factory ECU software.
Key Features:
- Up to +26 hp / +20 lb-ft: Weistec’s crank estimate of 426 hp and 389 lb-ft, from Dynojet testing; real gains depend on fuel, conditions and supporting modifications.
- Stage calibrations: W.1 (Stock Vehicle) and W.2 (Race Exhaust fitted), so the calibration matches the hardware on your car.
- Optional add-ons: Cypher Plus and Porsche PDK TCU Tune, each selectable when you order.
- Reflash of the factory ECU: the original module is recalibrated rather than replaced with a stand-alone or piggyback unit.
- What changes: increased boost, optimized fueling, optimized ignition timing, removed speed limiter, increased cruise control speed limit and removed neutral rev limit.
- Tuning method: Cypher Plus: flashed at home from your phone with a Weistec Cypher Plus.
Fitment:
- Porsche Cayenne 2019-2026 (9Y0 PDK) – Turbo 3L V6 (EA839)
- Porsche Macan S 2019-2026 (95B.2 PDK) – Turbo 3L V6 (EA839)
- Porsche Panamera 2016-2020 (971.1 PDK) – Turbo 3L V6 (EA839)
- Porsche Panamera 4 2016-2020 (971.1 PDK) – Turbo 3L V6 (EA839)
- Porsche Panamera 4S 2014-2016 (970.2 PDK) – Turbo 3L V6 (EA839)
- Porsche Panamera S 2014-2016 (970.2 PDK) – Turbo 3L V6 (EA839)
Not legal for sale or use on pollution-controlled motor vehicles; intended for competition use. Talk to us before ordering to confirm the right stage and tuning method for your car.

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