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XperTune Performance Software
XperTune ECU software for the Audi SQ8's 4.0-litre twin-turbo V8 (2019 to June 2020 cars), reprogramming sensor inputs, air/fuel ratios, and boost pressure for a dyno-developed tune adding roughly 70whp and 90 lb-ft of torque across the rev range. It's not a physical part — you send in your ECU, Fabspeed The ECU is removed from the car and reprogrammed on a bench connected directly to Fabspeed's tuning hardware, rather than through the car's OBD-II port. it with the upgraded map, and it's returned ready to refit. Your stock settings are kept on file so the car can be reverted at any time.
Frequently asked
Does the XperTune Performance Software fit my SQ8?
This listing is specific to the Audi SQ8. 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.
How much power does this add?
Fabspeed's dyno-developed tune adds roughly 70whp and 90 lb-ft of torque across the rev range on an otherwise stock SQ8.
Do I need to remove my ECU?
Yes. This is a mail-in tune — you send in your ECU for bench flashing, and Fabspeed emails detailed instructions plus a download link once it's back in your car.
Can I revert to the stock tune later?
Yes. Fabspeed saves your factory ECU settings so the car can be reverted to stock at any time.
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.
