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XperTune Performance Software
A bench-flashed ECU tune for the McLaren 600LT, unlocking a claimed 80-plus whp and 80 lb-ft over stock on unmodified hardware (533 to 582 whp), or up to 100 whp and 105 lb-ft when paired with Fabspeed's sport catalytic converters (533 to 607 whp). It's not a shipped part: you send in your ECU, Fabspeed bench-flashes it with the upgraded map from your vehicle information, and returns it for simple re-installation with no other modifications needed. Your stock settings are saved first so the ECU can be reverted at any time. Maps are available for completely stock cars or ones already running Fabspeed sport cats, cat bypass pipes, an X-pipe exhaust, or upgraded turbos.
Frequently asked
Does the XperTune Performance Software fit my 600LT?
This listing is specific to the McLaren 600LT. 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.
What gain can I expect on a stock car?
Fabspeed's dyno numbers show 533 to 582 whp on stock hardware, with peak gains of over 80 whp at 5600 rpm and 80 lb-ft at 5000 rpm.
Does the tune work with other Fabspeed parts?
Yes, maps are available for cars running Fabspeed sport cats, cat bypass pipes, X-pipe exhausts, or upgraded turbos, in addition to a fully stock map.
Can I revert to stock later?
Yes, your factory ECU settings are saved before tuning so the car can be flashed back 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.
