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Immobilizer Defeat Relay

IMMO BLOCK stops the 993's immobiliser from re-arming the moment you leave the car unlocked or switch off the ignition, which is what forces the annoying double press of the key fob to restart an unlocked car. Fitting it lets you unlock the car once and start it anytime with just the physical key, cutting down on fob presses and the wear that comes with repeated lock cycling. US cars are plug and play, while ROW cars need some wiring, and the whole thing is 100 percent reversible - unplug it and the immobiliser behaves as it did from the factory.
Frequently asked
Which cars does the Immobilizer Defeat Relay fit?
Fits your Porsche 993 Carrera. Fabspeed lists this piece for: Porsche 993, US and ROW models (not UK). 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.
Does this fit UK-spec 993s?
No, it fits all US 993s and ROW vehicles, but does not fit UK-spec 993 models.
How hard is it to install?
Installation takes minutes with no special tools. US cars are plug and play; ROW cars require some wiring.
Can I undo the installation?
Yes, it's 100% reversible - just unplug it and the factory immobiliser behaviour returns.
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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