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XperTune Performance Software
An ECU tuning system for the Porsche 957 Cayenne S and GTS (2008-2010) that flashes a performance map through the The car's onboard diagnostic port, used here to read and write ECU tuning data without removing the ECU. port using the included MyGenius handheld device, without removing the ECU. On the 4.8L Cayenne S it raises output from a stock 385 hp / 369 lb-ft to 418 hp / 390 lb-ft. The handheld reads your car's data, Fabspeed emails back a custom tune within 1-2 business days, and you can flash the car back to stock at any time using the same device.
Frequently asked
Does the XperTune Performance Software fit my Cayenne?
This listing is specific to the Porsche Cayenne (957). Exact fitment for your year, trim and options is confirmed on your free consult before anything is ordered.
What does the price include?
The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.
How long until it arrives?
Every Fabspeed part is made in-house at Fabspeed USA with about a one-week production lead time, then allow another 3-4 days for delivery to Australia via UPS. That freight is already included in the price.
Do I need to remove the ECU for this tune?
No. The MyGenius handheld device interfaces with your car's OBD-II port, so there's no need to remove or mail in the ECU.
How much power does this add on the Cayenne S?
Fabspeed's testing raised the 4.8L Cayenne S from a stock 385 hp / 369 lb-ft to a tuned 418 hp / 390 lb-ft.
Can I return the car to its factory tune?
Yes, simply use the handheld device to flash it back to stock at any time, then flash your Fabspeed tune again whenever you like.
Who installs it?
Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.
Is it covered by warranty?
Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.
Can I just buy this outright, or do I need to talk to someone first?
Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.
