Description
Weistec Engineering ECU tune for the Porsche Boxster and Cayman (2013-2016) with the 3.4L Boxer 6 (MA1.23). Weistec’s crank figures put the tuned engine at 360 hp and 290 lb-ft, up from 325 hp and 273 lb-ft stock, from a recalibration of the factory ECU software.
Key Features:
- Up to +35 hp / +17 lb-ft: Weistec’s crank estimate of 360 hp and 290 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.
- Reflash of the factory ECU: the original module is recalibrated rather than replaced with a stand-alone or piggyback unit.
- What changes: improved throttle response, optimized fuel and spark and top speed limiter removed.
- Tuning method: Cypher Classic: flashed at home with the Weistec Cypher Classic handheld.
- Burble & pops available: deceleration burble can be added to the calibration on request.
Fitment:
- Porsche Boxster S 2013-2016 (981) – 3.4L Boxer 6 (MA1.23)
- Porsche Cayman S 2013-2016 (981) – 3.4L Boxer 6 (MA1.23)
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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