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XperTune Performance Software
XperTune performance software for the Porsche 958 Cayenne Turbo and Turbo S (2011-2014), flashed through a handheld device via the OBD-II port rather than removing the The car's engine control unit; reprogramming it changes fuelling, ignition timing and (on turbo cars) boost pressure. for bench flashing. Vehicle data is read with the handheld, emailed to Fabspeed's tuner, and a custom map is returned within 1-2 business days. On an in-house dyno, a 958 Cayenne already fitted with Fabspeed's secondary cat bypass pipes went from 449whp/515 lb-ft to 536whp/620 lb-ft after the tune, with peak gains of 86whp and 105 lb-ft and maximum gains of over 99whp and 140 lb-ft at 6000rpm. A traditional bench flash is available on request.
Frequently asked
Does the XperTune Performance Software fit my Cayenne?
This listing is specific to the Porsche Cayenne (958.1). 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.
Are these gains with the tune alone, or with other parts fitted?
The dyno figures were measured with Fabspeed's secondary cat bypass pipes already installed. Fabspeed recommends running those alongside the tune so the turbos can breathe better at the increased boost levels.
Do I need to remove and mail in my ECU?
No, this uses a handheld device through the OBD-II port; a traditional bench flash is available on request for owners who prefer it.
How much torque does it add at peak?
Maximum gains of over 99whp and 140 lb-ft of torque at 6000rpm, with peak gains of 86whp and 105 lb-ft.
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.
