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Supercup Cat-Back Exhaust System (non-valved)

A non-valved, lightweight Supercup Cat-back means everything from the catalytic converters to the tips; the factory headers and cats stay in place. exhaust for the Porsche 992 GT3 and GT3 RS, built around Fabspeed's cast A crossover pipe joining the two exhaust banks into an X shape, smoothing flow for a fuller, balanced tone. design with titanium investment-cast inlet pipes and a laser-welded T304 center section. It saves about 17 lbs versus the stock muffler and gives the 4.0L flat six a louder, higher-pitched note without interior drone. It's 50-state and CARB legal, includes electronic valve simulators so removing the factory valves doesn't trigger a check engine light, and needs 3D-scanned bolt-on installation with no cutting or welding.
Frequently asked
Does the Supercup Cat-Back Exhaust System (non-valved) fit my 911 GT3 / GT3 RS / S/T?
This listing is specific to the Porsche 911 GT3 / GT3 RS / S/T (992.1). 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.
Will removing the exhaust valves cause a check engine light?
No, the system includes electronic valve simulators that prevent a check engine light from the factory exhaust valves not being present.
Is this exhaust emissions legal?
Yes, Fabspeed states it's emissions legal in all 50 states and CARB exempt.
Do I need to specify anything about my car's emissions equipment when ordering?
Yes, you'll need to confirm whether your car has Gas Particulate Filters (GPFs) so you get the correct fitment.
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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