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Secondary Cat-Bypass Pipes
Secondary Replaces a catalytic converter with a straight-through pipe, removing its exhaust restriction along with its emissions function. pipes for the Porsche 958.2 Cayenne Turbo and Turbo S (2015+), replacing the restrictive factory secondary catalytic converters with straight-through pipes built from polished mandrel-bent T304L stainless steel. Fabspeed says the change sharpens throttle response, opens up a deeper V8 tone from the tailpipes, and improves fuel economy, all with no check engine light guaranteed. It's a direct bolt-on replacement for the factory converters, built for closed-track and off-road use since it removes the OEM catalytic converters.
Frequently asked
Does the Secondary Cat-Bypass Pipes fit my Cayenne?
This listing is specific to the Porsche Cayenne (958.2). 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?
No, Fabspeed guarantees no check engine light after installing these pipes.
Is this legal for street use?
No, since it removes the OEM catalytic converters, Fabspeed intends these pipes strictly for closed-track and off-road use, not public roads.
What are the pipes made from?
Polished, mandrel-bent T304L stainless steel, built as a direct bolt-on replacement for the factory converters.
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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