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AFM Valve Simulator Module
Plug-and-play Active Fuel Management, GM's system that can deactivate cylinders under light load; its valves also gate exhaust flow on the factory system. valve simulator module for the Chevrolet Corvette C8 (2020+), for cars that have thrown a check engine light after an aftermarket exhaust removed the factory AFM valves. It plugs straight into the factory valve harness and zip-ties out of the way, so the ECU sees a normal AFM valve and the fault clears. The case is a durable glass-bead-filled thermoplastic rated to 175 degrees Celsius, and no cutting or soldering is needed.
Frequently asked
Does the AFM Valve Simulator Module fit my Corvette Stingray?
This listing is specific to the Chevrolet Corvette Stingray (C8). 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 problem does this solve?
It fixes a check engine light triggered when an aftermarket exhaust removes the factory AFM valves the ECU expects to see.
Do I need to cut or solder anything to install it?
No, it plugs straight into the factory valve harness and zip-ties out of the way.
What's the difference between the two usage options?
AFM Valve Simulators covers cars with AFM valves only, while AFM and NPP Simulators also covers cars with the factory NPP valved exhaust.
Which option should I choose?
Choose AFM Valve Simulators if your Corvette C8 only needs the Active Fuel Management valve harness plugs replaced. Choose AFM and NPP Simulators if your car also has the factory NPP valved exhaust, so both the AFM and NPP valve circuits are covered and the check engine light stays off.
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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