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XperTune Performance Software
XperTune The car's engine control unit; reprogramming it changes fuelling, ignition timing and boost pressure. performance software for the Aston Martin DB9 (2004+), delivered through a handheld tuner that interfaces with the OBD-II port rather than a full ECU bench flash. Reprograms sensor inputs, air/fuel ratios and boost pressure for the 5.9-litre V12, lifting output from a stock 455 hp/420 lb-ft to 480 hp/435 lb-ft. The handheld device also stores the factory settings, so the car can be flashed back to stock and re-tuned at any time without sending the ECU away.
Frequently asked
Does the XperTune Performance Software fit my DB9?
This listing is specific to the Aston Martin DB9. 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 and send in my ECU?
No. The handheld tuner reads and writes through the DB9's OBD-II port, so there's no bench flashing or shipping the ECU to Fabspeed.
Can I revert to the factory tune?
Yes. The handheld stores your original settings, so you can flash back to stock or back to the XperTune map at any time.
Does the tune work on a completely stock car?
Yes, though gains are greatest when paired with bolt-on intake, cat and exhaust upgrades.
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.
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