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Sport Catalytic Converters with GT2RS Style Outlets

Sport catalytic converters for the Porsche 992 Carrera (2021+), replacing the restrictive OEM 800-cell cats with certified German manufacturer of the high-flow catalytic converters Fabspeed fits in its sport cat products. German 200-cell tri-metallic catalysts, styled with GT2RS-style outlets that mimic a 991 GT2's valves-open look. Built from CNC mandrel-bent T304L stainless steel and laser-scanned for OEM fitment, it bolts on with no cutting or welding and guarantees no check engine light. Dyno testing showed peak gains of 47.7whp and 47.1 lb-ft of torque at 5300rpm (54hp at the crank), with the turbo spooling faster at low rpm, while saving 25 lbs. A modular design lets the outlets pair with an optional muffler adapter, so the setup can revert to the factory muffler or Fabspeed's Valvetronic Maxflo exhaust if it proves too loud for daily driving.
Frequently asked
Does the Sport Catalytic Converters with GT2RS Style Outlets fit my 911 Carrera GTS?
This listing is specific to the Porsche 911 Carrera GTS (992.2). 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 does the muffler adapter option do?
It lets you switch between the GT2RS-style outlets and your factory muffler or Fabspeed's Valvetronic Maxflo exhaust, while keeping the sport cats in place. Useful if the open setup is too loud for daily driving.
Will this trigger a check engine light?
No. Fabspeed guarantees no check engine light with these HJS catalysts, and includes a valve bracket to stop the electronic valves triggering one.
How much power does it add?
Dyno testing showed peak gains of 47.7whp and 47.1 lb-ft of torque at 5300rpm, for about 54hp at the crank.
Which option should I choose?
Choose GT2RS Style Outlets for the sport cat system on its own. Add the Muffler Adapter if you want the option to switch back to your factory muffler or a Valvetronic exhaust later. Muffler Adapter Only is for owners who already have the GT2RS outlets and just need the adapter piece.
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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