Porsche 958 Cayenne S / GTS XperTune Performance Software (2011-2014)

Porsche 958 Cayenne S / GTS XperTune Performance Software (2011-2014)

Marsoni

M251S

$966.48

Get it in 3 business days with 1 day shipping. Friday, May 29

Porsche 958 Cayenne S / GTS XperTune Performance Software (2011-2014)SKU: POR. 958V8. ET Porsche 958 Cayenne S GTS XperTune Performance Software (2011 2014) Boost your Porsche 958 Cayenne S or GTS 4. 8L with Fabspeed XperTune Performance Software and handheld tuner. This ECU flash delivers 20 WHP and 15 TQ gains while maintaining reliability and drivability. Flash directly via OBD II port without removing the ECU. Key Features Power Gains: Cayenne S stock 400 WHP 369 TQ to tuned 420 WHP 384 TQ. GTS stock 420 WHP 380 TQ

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Reviewed in the United States on February 28, 2026