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Sport Headers with HJS Catalytic Converters
Sport headers for the Porsche 991.2 GT3 and GT3 RS, fitted with German German manufacturer of the high-flow catalytic converters Fabspeed fits in its sport cat products. catalytic converters as a direct replacement for the factory headers. Built from CNC Bent over an internal mandrel so the tube keeps a constant diameter through the bend, unlike crush-bending. A grade of stainless steel used for exhaust tubing, chosen for heat resistance and corrosion resistance. for improved exhaust flow and a fuller flat-six note.
Frequently asked
Does the Sport Headers with HJS Catalytic Converters fit my 911 GT3 / GT3 RS?
This listing is specific to the Porsche 911 GT3 / GT3 RS (991.2). 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.
Will this trigger a check engine light?
Fabspeed says these HJS catalytic converters provide enough emissions scrubbing to prevent a check engine light, unlike a straight cat-bypass pipe.
Does it still sound aggressive?
Fabspeed describes the flow as up to 90-93% of a straight pipe, giving a similar straight pipe exotic sound while retaining catalytic converters.
What are the power and weight figures?
Fabspeed lists gains of about 15 horsepower and 15 Nm of torque, with a 0.9 kg weight reduction.
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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